Features : Full range UV/IR protection. Solar powered auto-darkening filter helmet. Darkness shade control. Charges with exposure to welding or sunlight. Full face coverage. Specification : Power supply: Lithium battery/solar powered Light shade: DIN9-13 Dark Shade: DIN4 Way to shift dark state: Outer Control, Stepless shift Switching time: 1/25000s Delay time: 0.1~0.8s Sensitivity adjustment: Stepless control Delay adjustment: Stepless control Operation temperature: -5?? to 55?? Active viewing area: 93mmx43mm Package includeds : 1 x Solar Auto Darkening Welding Helmet Details pictures :
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