Professional Solar Powered Auto Darkening Welding Helmet Welding Welder TIG MIG Grinding Helmet

sensitivity and delay time, grinding and welding mode can be chosen. Effectively your eyes, face and head from getting hurt by , spatter and harmful radiation. Made of retardant material with high and light weight, safe to use. Specifications: Material: PP Color: Grey Light State: DIN 4 Dark State: From DIN 9 to DIN 13 (Outside Adjustment) UVCelsiusIR : 15 Levels Switching Time (Bright to Dark): less than 1Celsius25000s (Normal Temperature) Delay Time (Dark to Bright): 0.15s-0.80s GrindingCelsiusWelding: Support Power Supply: Solar Cells and Li Batteries   Battery: 3V 650mAh Li Batteries(Included) Power onCelsiusoff: Automatic Sensitivity (Based on Current Size When Welding): , Low Celsius High Arc Sensor: 2pcs Eye : EN379 1Celsius2Celsius1 Face : EN175 UV Transmittance: 313nm less than 0.00006% 365nm less than 0.00006% IR Transmittance: 780～1300nm less than 0.003% 1300～2000nm less than 0.009% Operating Temperature: -5 celsius ～55 celsius (23 Fahrenheit ～131 Fahrenheit ) Storage Temperature: -20 celsius ～70 celsius (-4 Fahrenheit ～158 Fahrenheit ) Sight Size: 93 * 43 * 6mm Filter Frame Size: 110 * 90mm  Active Viewing Area: 93 * 43mm Solar Battery Area: 90 * 20mm  Helmet Size: 230 * 300 * 200mm Celsius 9.06 * 11.81 * 7.87in Helmet Weight: 500g Celsius 17.62oz