Low-price AV (DVD) projector LED light: no future cost to replace lamp bulb. Power Consumption: 18W (Save electricity) Left: portable DVD player, Right: mini AV projector Applications: 1. Mini Theater (Projector) 2. Portable Theater (Projector) 3. Room Theater (Projector) 4. Bedside Theater (Projector) 5.Celing Theater (Projector), 6. Student Theater (Projector) 7. Kids Theater (Projector), 8. Mobile Theater (Projector) More applications: A. Connected with DVD player, it becomes bedside theater. B. Connected with Digital TV STB, it becomes TV screen. C. Connected with small TV set, the screen upgrades to big size right away. D. Connected with game console, people can sit easily on floor to play game. E. Connected with Kara OK (for singing; it is popular in Asia), it becomes big screen. Advantages: 1. Life of LED is 50,000 hours; no extra future cost to change lamp more than 10 years. 2. Easy to carry: Small size (18x11x5.5cm) and light weight(1kg). 3. Easy to operate: power plug + AV connector + focus adjustment + sound volume Even kids and grandma can operate it. 4. Entertain yourself anywhere: Watch movie, play game, ...(projection on the wall or ceiling directly) Student can carry it to visit classmates in dorm to have fun together. 5. 21 inches at 1 meter distance; 40" at 2 meters; 53" at 3 meters and up to 80\" 6. Users can enlarge their small TV screen from this projector right away 7. User can lie down on the bed to watch movie on ceiling. 8. CD story in bed time for kids. It will become Bedside theater in bed time. How interesting! 9. Most students in dorm don't have TV set. With wall or ceiling, students can watch movie easily. 10. User doesn't need to heat the projector at first and cool projector with fan in the end which are a must for general projectors. 11. Low/No noise. Size (L/W/H): 18x11x5.5cm Weight: 0.8Kg.
LCD projector is a new kind of economical projector which is special for entertainment market. It is widely used in game, hotel, bars, karaok room, disco room, family etc. Its brightness is 2,000 ANSI lumens. Higher resolution which is 640x480 pixels makes its image clearer and better. It has fashion shape, long life and cheap lamp. Enjoy it. Specification Projection System LCD Projection Control Panel Manual and Remote Control Resolution 640x480 pixels Brightness 2,000 lumens Contrast Ratio 600:1 Aspect Ratio 4:3 and 16:9 Projection Lens Manual Focus Lamp Life 5,000 hours in average Color Palette 16.7 million colors Projection Position Front Projection Distance 1.76-5.51 m Image Size 50-150 in diagonal RGB Signal VGA(640x480) Video Signal PAL, NTSC Audio 2 built-in speakers Terminals(Input) VGA,S-video, Video ,Audio ,Y/Pb/Pr, TV(optional) Color Silver with Black Dimension 320mm(L)x249mm(W)x95mm(H) Weight 4.3kg Power Supply 90-240 V, AC at 50/60 Hz Power Consumption 220 watts On-Screen Languages English/Chinese/German/Franch/Italy/Russian/Spanish Accessories IR Remote Controlx1,AV Connecting Cables, Lens cap, User's manual
2000 lumens lcd video projector Specification Projection System LCD Projection Control Panel Manual and Remote Control Resolution 640x480 pixels Brightness 2000 lumens Contrast Ratio 500:1 Aspect Ratio 4:3 and 16:9 Projection Lens Manual Focus Lamp Life 5,000 hours in average Color Palette 16.7 million colors Projection Position Front Projection Distance 2.45-6.2 m Image Size 50-150 in diagonal RGB Signal VGA(640x480) Video Signal PAL, NTSC Audio 2 built-in speakers Terminals(Input) VGA,S-video, Video ,Audio ,TV(optional) Color Black Dimension 310mm(L)x255mm(W)x95mm(H) Weight 4.5 kg Power Supply 90-240 V, AC at 50/60 Hz Power Consumption 220 watts On-Screen Languages English/Chinese/German/Franch/Italy/Russian/Spanish Accessories IR Remote Controlx1,AV Connecting Cables, Lens cap, User's manual
Application: This digital type high-precision projector is a highly efficient measuring instrument integrating light, machine and electricity. It can be widely used for industries such as mold manufacturing, metal work pressing, electronics, instrument, horologe, as well in universities, research institutes and metering examination departments. Features: This product features its good quality optical path, rational design, clear object lens imaging and accurate magnification, with tolerance for displayed value up to£¨3+L/75£©¦Ìm. (Here, L stands for the measured length (mm)). It has humanized design, 45 ¡ã oblique angle between mechanical ascent handle and operator, ensuring easy operation. No occurrence of blocking as the traditional leather belt transmission is replaced. Attached RS232 interface allows the easy upgrading for software. Asterisk-shaped line is internally marked on the glass of projection screen (exclusive design), ensuring long service life without the need of replacement. Specifications: MODEL SP-3015 Projection screen: effective diameter (mm): ¦Õ300mm, working scope£¾¦Õ300 (internally marked with asterisk-shaped line) Projection screen¡¯s rotation angle: 0¡«360¡ã Resolution of rotation angle: 0.01¡ã or 1¡ä Object lens¡¯s magnification: 10¡Á£¨standard£© 20¡Á£¨optional£© 50¡Á£¨optional£© 100¡Á£¨optional£© View-field of object (mm): ¦Õ30 ¦Õ15 ¦Õ6 ¦Õ3 Working distance for object (mm): 78.33 44.93 27.63 23.60 Metal stage size: 306¡Á206mm Glass stage size: 196¡Á125mm Travel¡ªX, Y axis: 150¡Á100mm ( big workstage ) Z axis travel: 85mm Resolution of X Y: 0.001mm(digital display) Accuracy: (3+L/75)¦Ìm Data processor: DC-3000 or DS801 Ascent and descent mechanism: 45 ¡ã oblique tooth gear Profile and surface light source 24V/150W tungsten halogen lamp (German Philips) Over dimensions: 570¡Á770¡Á1180mm Weight: 150kg Power supply: 110V/220V (switch) ; 50/60HZ(switch) Optional accessories: attached RS232 interface, optional 2D measuring software, ensuring convenient operation.
S.Nodescriptionvppme3020 1.0structuregranite base and column 2.0x y work stage 2.1size of top plate(mm)460 x 360 2.2traverse: x & y axis(mm)300 x 200 2.3load capacity25 kg 3.0z axis travel(mm)150 4.0video system 4.1lenshigh resolution telecentric zoom lens 4.2magnification rangeoptical magnification 0.7 to 4.5x, can do measurement at 20x to 140x 5.0illumination system 5.1profileled profile illumination, 5.2surfaceled ring light 6.0measurement system 6.1linear measurement x y z axislinear encoders 1 u least count 6.2measurement software2d geometric measurement software with programming 7.0spcadvanced spc software in built 8.0 Measuring accuracy (3 + l/200) u 9.0computerlatest computer with 19" lcd monitor, windows 7 os 10.0standard accessories 10.1operation manual1 no. 10.2glass master plate1 no. 10.3ergonomically designed mounting table with granite top1 no. 11.0recommended spares for 3 years of trouble free operation. 11.1stage glass 1 no. 12.0physical specifications 12.1net weight250 kg 12.2overall dimensions(mm)1150x740x1510
S.No, description, Vppmaz2515 1.0, structure, granite base and column 2.0, x y work stage, manual 2.1, size of top plate(mm), 420 x 250 2.2, traverse: x & y axis(mm), 250 x 150 2.3, load capacity, 25 kg 3.0, z axis travel(mm) motorized with auto focus, 150 4.0, video system, 4.1, lens, high resolution motorized automatic telecentric zoom lens 4.2, magnification range, optical magnification 0.7 to 4.5x, can do measurement at 20x to 140x 5.0, illumination system, 5.1, profile, led profile illumination, software controlled 5.2, surface, led ring light, pc controlled 6 ring 8 zone light 6.0, measurement system, 6.1, linear measurement x y z axis, linear encoders 0.1 u least count 6.2, measurement software, 3d geometric measurement software with programming and autofocus 7.0, spc, advanced spc software in built 8.0 , measuring accuracy , (2.5 + l/100) u 9.0, computer, latest computer with 19" lcd monitor, windows 7 os 10.0, standard accessories, 10.1, operation manual, 1 no. 10.2, glass master plate, 1 no. 10.3, ergonomically designed mounting table with granite top, 1 no. 11.0, recommended spares for 3 years of trouble free operation., 11.1, stage glass , 1 no. 12.0, physical specifications, 12.1, net weight, 200 kg 12.2, overall dimensions(mm), 640x686x730
S.No,Description, VPPMAZ3020 1.0,Structure,Granite base and column 2.0,X Y Work Stage,Manual 2.1,Size of top plate(mm),460 X 360 2.2,Traverse: X & Y axis(mm),300 X 200 2.3,Load capacity,25 Kg 3.0,Z axis Travel(mm) Motorized with auto focus,200 4.0,Video System, 4.1,Lens,High resolution motorized automatic telecentric zoom lens 4.2,Magnification range,Optical magnification 0.7 to 4.5x, Can do measurement at 27x to 140x 5.0,Illumination System, 5.1,Profile,LED profile illumination, software controlled 5.2,Surface,LED ring light, PC controlled 6 ring 8 zone light 6.0,Measurement System, 6.1,Linear measurement X Y Z axis,Linear encoders 0.1 u least count 6.2,Measurement software,3D geometric measurement software with programming and autofocus 7.0,SPC,Advanced SPC software in built 8.0 ,Measuring Accuracy ,(2.5 + L/200) u 9.0,Computer,Latest computer with 19" LCD monitor, Windows 7 OS 10.0,Standard Accessories, 10.1,Operation manual,1 No. 10.2,Glass master plate,1 No. 10.3,Ergonomically designed mounting table with granite top,1 No. 11.0,Recommended Spares for 3 Years of trouble free operation., 11.1,Stage glass ,1 No. 12.0,Physical Specifications, 12.1,Net weight,250 kg 12.2,Overall dimensions(mm), 1150X740X1510
S.No,Description,VPPCNC3020 1.0,Structure,Granite base and column 2.0,X Y Work Stage,Motorized 2.1,Size of top plate(mm),460 X 360 2.2,Traverse: X & Y axis(mm),300 X 200 2.3,Load capacity,25 Kg 3.0,Z axis Travel(mm) Motorized with auto focus,200 4.0,Video System, 4.1,Lens,High resolution motorized automatic telecentric zoom lens. Magingication software selected. 4.2,Magnification range,Optical magnification 0.7 to 4.5x, Can do measurement at 20x to 140x 5.0,Illumination System, 5.1,Profile,LED profile illumination, software controlled 5.2,Surface,LED ring light, PC controlled 6 ring 8 zone light 6.0,Measurement System, 6.1,Linear measurement X Y Z axis,Linear encoders 0.1 u least count 6.2,Measurement software,3D geometric measurement software with programming and autofocus 7.0,SPC,Advanced SPC software in built 8.0 ,Measuring Accuracy ,(2.5 + L/200) u 9.0,Computer,Latest computer with 19" LCD monitor, Windows 7 OS 10.0,Standard Accessories, 10.1,Operation manual,1 No. 10.2,Glass master plate,1 No. 10.3,Ergonomically designed mounting table with granite top,1 No. 11.0,Recommended Spares for 3 Years of trouble free operation., 11.1,Stage glass ,1 No. 12.0,Physical Specifications, 12.1,Net weight,200 kg 12.2,Overall dimensions(mm), 640X686X730
Model number:sm7 Display technologydlp Android system:android 4.4 Build-in battery:7.4v/2500mah Build-in memory/ram/rom:1g/16g Build-in speaker:yes Wifi:dual 2.4g/5g Bluetooth:bluetooth 4.0 Products dimension:4.13 x 4.13 x 0.98 inches / 10.5 x 10.5 x1.9cm Projector net weight0.28kgs Brightness:150ansi lumens Resolution:native:854 x 480, 1080p support Contrast:1000:1 Projection distance:0.3-3m Projection image size:15-300 inches Aspect ratio16:9 / 4:3 Light source:led Keystone correctionauto correction (vertical Ã¯Â¿Â½30 degrees) Focus mode:manual Lamp life:more than 20000 hours Tripod hole:yes (at the bottom) Mini dlp video beamer projector
Mini Multimedia LED Video DLP Wifi Projector Mini Portable Projector China Mini Portable Projector, Micro Mini Pocket Projector, Mini Pico Home Theater Projector, Pico Pocket Projector For Home Theater Supplier & Manufacturer Model: SM3000A Advanced DLP technology allows you to experience crystal clear, razor-sharp and lifelike images. Built-in rechargeable 4000mAh lithium battery up to 2.5 hours playing time, also can be used as a power bank. With native resolution of 854 x 480 and the highest resolution support 1080P to make it more clearer. LED Lamp,20K hours of life, energy-saving design * Android 4.4 operate system, gives you access to over 800,000 apps 1GB RAM + 8GB ROM, 32GB maximum extended capacity support downloading all kinds of movie,app and files Dual 2.4G/5G Wifi & -Bluetooth 4.0,support to cooperate with all kinds bluetooth devices, like Bluetooth headphone,speaker,mouse,keyboard to share multimedia resources interactively. Built-in HiFi speaker (8Ohm, 1W). Pocket size (10.0 x 10.0 x 1.1 cm) and lightweight (214 g), ideal for carrying and outing. With easy wireless sync screen mirroring to share your phone screen to projection screen in big size Multiple ports,like USB,TF Card,playing USB disk and TF Card files directly,and connect with your laptop easily. Miracast /Airplay/Dlan, support play android phone,tablet pc ,iPhone and iPad's photos and video, without connecting cables to present big size image. Specifications Android System: Android 4.4 Display Technology: DLP Build-in Battery: YES ( 3.7V / 4000mAh) Bulid- in Speaker YES( 2Wx1) Miracast /Airplay: Yes Products Dimension: 10.0 x 10.0x 1.8cm /3.54 x 3.54 x 0.71inches(L x W x H) Projector Net Weight: 0.20kgs Brightness: 80 ANSI Lumens Resolution: Native 854 x 480,1080P Support Contrast: 1000:1 Projection Distance: 2-3Meters Projection Image Size: 10-100 inches Aspect Ratio: 16:9 /4:3 Lamp: LED Lamp life: More than 20000hours Focus Mode: Manual Build-in memory: 1G/8G WIFI: Dual 2.4G/5G WIFI Bluetooth: Bluetooth 4.0 Tripod hole: Yes (at the bottom) With Touch Panel: YES (Glass Touch panel) With Front Stand: N.A Interface/Input: USB*1 / Micro USB*1 / TF Card Slot *1 / Audio Out Port*1/ TF Card Slot *1 Certificate: CE/Rohs/Fcc
Home Theater Video Android 3D Mini DLP Projector DLP Portable Projector China DLP Portable Projector, Home Theater DLP Projector, WIFI Portable Pocket DLP Projector, Pico DLP Pocket Portable Projector Wholesaler & Manufacturer Model: Â SM9 Supports Bluetooth, Android and IOS mobile phone / tablet, game machine, DVD and other media equipments With easy wireless screen function, perfectly applied to business office, home theater and intelligent interactive system 2.4G/5.0G dual-band Wi-Fi makes signal stronger and more stable, rich color saturation with high resolution and brilliant image DLP technology (from Texas instruments) has better colors and rich images Built-in rechargeable 12000mAh Lithium battery up to 4 hours playing time, also can be used as power bank With built-in precise DMD digital lings processing chip and wide color gamut RGB primary colors LED, no radiation, no harm to the eyes Native 1280 x 720,1080P,Ultra-high clear Support 3D,enjoy home theater Above 20K hours of life, energy-saving design Support Airpaly and miracast, allows you to enjoy screen share Specifications Android System: Android 6.0 Display Technology: DLP Build-in Battery: 12000mAh Bulid- in Speaker: Yes (2W*2) Miracast /Airplay: Yes Products Dimension: 17.2 x 17.2 x 9.6cm6.8 x 6.8 x 1.6inches Projector Net Weight: 0.75kg Brightness: 220ANSI Lumens Resolution: Native 1280 x 750,1080P Support Contrast: 400:1 Projection Distance: 1-8Meters Projection Image Size: 40-300inches Aspect Ratio: 16:9 /4:3 Lamp: LED Lamp life: more than 20000hours Focus Mode: Manual Build-in memory: 1G/16G WIFI: Dual 2.4G/5.8G WIFI Bluetooth: Bluetooth 4.0 Tripod hole: YES (at the bottom) Keystone Correction: Auto Correction (vertical Â±40 degrees) Certificate: FCC,CE,ROHS Interface / Input : VGA*1;SPDIF*1;AV*1; 3.5mm Audio Output*1; USB*2 (USB2.0+USB 3.0); TF Card*1;HDMI*2(MHL*1) Color: Silver, Black,Customized Package: Single Unit package: 1.7kgs / 22*22*9.5 cm 10pcs gift boxes into 1 carton
Lcd projector We are the leading manufacturer of projector, projection ceiling mount, projection screen and Projector accessories in china , with the function of projector as following Product description Both for digital home cinema and games! high resolution; Video compatibility Pal-n, secam Display technology 7"lcd(panasonic) x 1 The lord beats the market: domestic expenses\ business\ teaching\ amusement It can be suitable for: 1. Commerce: demonstration, conference, teaching; 2. Home: tv, multimedia theatre; 3. Entertainment: video display, playstation/playstation 2/xbox/gc/pc games, night club!
Features 1).Support remote control. 50 lumens. Support vga port, usb host, usb, av-in, s-video, keystone correction 2).Can be connected to notebook, 3g mobile phone, iphone, ipod, pda, psp, vcd, dvd, x-box, ps2, ps3 and other digital products with video and audio output for immediate business presentation, watching movies and playing games, etc. 3).Large screenú¼20inchí¬120inch , with 800*600 resolution. 4).Support usb2.0 input for transferring files from pc conveniently. 5).Standard av input for connection to any devices. 6).Plug-and-play without any trouble of installing software. 7).Support aviíórmvbíórm formats, play fx sound effect, great acoustic quality. 8)support 4 input signal mode: aú¦vga video signal, bú¦usb video signalú¼twinview of computer, cú¦cvbs signal, dú¦s-video signal 9).Support jpeg photo formats show. 10).Support sd card, max:8gb 11).Built-in speaker to convenience the sounded presentation or sharing, support earphone port. 12).Support multi-language:english, french, spanish, german, italian. 1pc/gift box:28.5*18.5*7cm. 1.50kg 10pcs/carton:58.5*35.5*19cm 12kg
Projector Only 1/4 size of A4 paper, same as our mobile phone The wight only have about 400g Use of LTD technololgy,the service life is up to 20000 to 50000 hours ,environmental protection,energy saving,Zero-radiation Can restore your documents,images,pictures,files, Self-16G with SD memory card, you can carry mass of MP3,MP4,movies, files(include PPT) at any time With their own sound speakers,can play audio files independent With their own USB interface,computer interface,DVD interface, AV/VGA interface,external speakers,to restore the home theater effect Small appearance,portable,and can be equipped with independent tripod for 360-degree rotation,truly watch a movie on the ceiling in bed Can be widely used in business show, product instruction,corporate training,school teaching,party ,family entertainment and so on.Can be your small Secretary of the business, pistachios of life. Size:113mm*78mm*34mm Weight:400g Resolution:800*600 Focus: manual focus Audio output: headphones/(external speakers) Input video signal:AV/VGA Video distance:30-150 Im age aspect ratio:16:9
Projector system: Single chip LCD (8.4í» LCD) Projector mode: front/suspend/rear/desk Projector lens: manual focusing Size: 348mm*266mm*122mm Resolution: 800 x 600, support 1,024 x 768 Brightness: 1,900 ANSI lumens Contrast ratio: 600: 1 Display color: full-color (16.7M) Scale ratio: 4: 3 Image reversed: up/down Trapezoid correction: +/- 20 degrees Bulb power: 150W / 7,800W-8,500W Bulb life: Above 6,000 hours Bulb: Golden bittern Input terminal: AV/VGA/S-video RGB connector: Yes Video compatibility: NTSC/PAL OSD language: English/German/Dutch/Spain/Portugese/Greek/French/Italian Power: 280W Voltage: AC 190-250V/50-60Hz Project size: 43-120 inches Performing distance: 2-6 m Remote control: Yes Packing: Double cartons, packing foam in carton Accessories: power wire, AV wire, lens paper, spare fuse tube, user'manual, remote control Purchasable accessories: screen, projector rack, projector screen, outlay TV receiver, VGA wire Net weight: 4.5KG Double cartons,packing foam in carton
Vga / uxga splitter Creative pcda 1004 is one input vga / uxga distribution amplifiers which is very rigid for driving signal. This amplifies and distributes the signal from any pc or work stations to four separate display devices. With 350 mhz of video bandwidth, the pcda 1004 is capable of driving any vga v uxga computer signal up to 100mtrs. (using standard vga cable). Each outputs are amplified to maintain the original signal quality. Pcda 1004 eliminate interference and noise caused by poor signal quality or long cable run. The pcda 1004 is compatible with lcd monitors, crt, lcd and dlp projectors and high end crt monitors. This is also compatible to video walls; led walls. Video inputs, Discriptions Number/signal type : 1 vga-uxga Connectors : 15-pin hd female Impedance : 75 ohms Hor. Fr. ,: 15khz to 130 khz Vert. Fr. ,: 60 to 150 hz. Video out puts, Number of signal 4# : vga-uxga Rgbhv, rgbs, rgsb, rsgsbs Connectors : 15-pin hd female Impedance : 75 ohms Sync Input type : , Rgbhv, rgbs, rgsb, rsgsbs Output type : , Rgbhv, rgbs, rgsb, rsgsbs
This machine is cl312a The following is the detailed parameters¡êo Projection method : Front, rear, ceiling mount, table top Image zoom :Electro ¡¨ ual keystone correction Throw ratio :email@example.com firstname.lastname@example.org 100'' @3.38m Image size (diagonal) :17"-180" (suggest 40"-100" best) Aspect ratio : 4:3 native, 16:9 compatible;switch freely Osd language :Total 23 languages (english, german, french, spanish, portuguese, russian, italian, finnish , swedish , hungarian, dutch, norwegian, danish, greek, croatian , polish, czech, romanian, slovene, serbian, janpanese, simplified chinese, traditional chinese) can add any language as customer require Noise level (std/bright) :
As customer require Noise level (std/bright) :
Focusing) Multimedia interface : 2*hdmi(support 1.1-1.4), 2*usb 2.0 (support hard disk), vga (pc), ypbpr, s-video, ly Osd language :total 23 languages (english, german, french, spanish, portuguese, russian, italian, finnish , swedish , hungarian, dutch, norwegian, danish, greek, croatian , polish, czech, romanian, slovene, serbian, ja 1. Led lamp is better than the conventional bulb, you needn't change it for a long time. 2.With the high technology, lcd panel can show a more clearly image, so you will have a wanderfull time during the projection. 3.It is easy to operate, with the addtionary remote control, you can change the programme very convenient. 4. It can cool down and decrease the noise automatically, so you don't have to worry about that problem. 5. Cheerlux projectors require little power usage. 6. We have got ce fcc rohs certificates. 7. We have checked the projectors many times before packing and we will give the best service to you. Our packing include¡êo 1* projector 1* user manual 1* romote control 1* spare puse 1* warrenty card 1* 1.5m vga cable 1* 1.5m power cable Carton size : 385x182x338mm 1 projector in one box, 3 boxes in a package N.W :3.3kg are only for projector , g.W :4.5kg;
LCD projector is the perfect choice for home entertainment, it can be connected with computer, DVD, digital camera, ps2, xbox, etc. The price is about 250-300 USD/unit, but the image size can be as big as 150 inches. What is more, the lamp is only 15-20 USD, but lamp life is about 5000 hours. Lots of families are using projector to take the place of CRT TV, LCD TV and plasma TV. Projector TVs are also widely used in bars, karaoke room, hotel, disco room and so on. Enjoy big screen excitement! Module: XP516HNS Projection system: 5'' TFT LCDí-1 projection Control panel: 5'' TFT lcdíß1 projection Resolution: 800x600 pixels, support 1024x768 Brightness: 1600 lumens Contrast ratio: 500:1 Aspect ratio: 4:3/16:9 Projection lens: manual focus Lamp life: 5, 000 hours in average Color palette: 262, 144 colors Projection position: front Projection distance: 1--3.5 m Image size: 45í¦-150í¦ in diagonal Rgb signal: svga(800x600) Video signal: pal, ntsc Dimension: 335mm(l)x265mm(w)x125mm(h) Terminals (input): VGA, s-video, video, audio, TV (optional) Net weight: 5.3 kgía0.2 kg Power supply: 90-110v or 200-240 v, ac at 50/60 hz Languages: Chinese/ English/ Russian/ German/ Spanish/ Portuguese/ Italian/ Japanese Accessories: ir remote control *1, battery*2 , av connecting cables*1, userí»s manual Normal