Adjustable Auto Darkening Solar Welding Helmet Mask Forest Camo

Description : Adjustable Auto Darkening Solar Welding Helmet Mask Forest Camo Features : This automatic darkening welding helmet automatically darkens the lens in 1/25,000 seconds, as soon as you start welding, the solar panel picks up the light emitted from welding and the lens to your desired setting. The ratcheting headband can be easily adjusted for a comfortable, custom fit. the wide viewing window gives you a full view of your work area and offers complete UV/IR protection. Specification : Filter Dimension : 110 x 90 x 8.5mm View Size : 92 x 42mm / 3.62 x 1.66 Inch Light State Shade : 4 Dark State Shade : 9, 10, 11, 12, 13 Shade control : External Switching Time : 1/25000s Sensitivity Control : Adjustable Power : Lithium batteries+Solar Time from dark to light(delay time) : 0.1 - 1.0s adjustable Operation Temperature : -10 degrees C - +55 degrees C Humidity : 20% - 80%. Package includes : 1 x Auto Darkening Welding Helmet 1 x English User's instruction 3 x Replacement Lenses Details pictures :