1.Function of taking photos and recording video . 2. Built-in sensitive microphone for audio monitoring 3.Video Format: AVI 720*480 resolution 4.Photo Format :JPG 1280*1204 resolution 5. Support Micro SD card/T-Flash card 6. Built-in rechargeable Li-polymer Battery 7.Product Size:51mm*32mm*13 mm 8.Physical weight: 40g 9. Play back video on PC; 10.Operation system: No need for driver installation if the operating system is Windows ME/ 2000/ XP/ VISTA or above (windows98 is excepted) 1PC/gift box Gift box:101*75*40mm 100pcs:10kg