Frame Size 110f-90f-8.4 mm (4.33fª f-3.54fª f- 0.33fª) Viewing Area 96f-46 mm (3.79fª f-1.81fª) Range of UV/IR protection up to shade DIN 14 at all time Light Shade DIN 4 Dark Shade from DIN 9 to DIN 13 Power on/off Automatic Switching Time (light to dark) 1/20.000s Switching Time(dark to light) 0.05-1.2s potentiometer adjust Sensitivity pentiontiometer adjust, adapt to TIG,MIG Power Supply Solar cell and two 3V lithium batteries Operating Temperature -5f¦~·+55f¦ Storage Temperature -10f¦~·+70f¦ Weight 0.1284kgs Material ABS Packing methods: 60 pcs of filters packed in one carton. N/G weight:7.704/10.02kgs Size of carton:490mmf-370mmf-230mm Cardboard Box