Solar Auto Darkening Welding Helmet Len Goggles With Knob

Features: 100% brand new and high quality Delay time can be selective. The user's eyes and face a full protection against UV and IR radiation during the entire welding process,even in the clear state. Sensitivity adjustment: you can according your working conditions choose. Dark state Shade No:9-13, adjustment Suitable for most kinds of welding mode. Specification: Power: Solar / Li-ion battery Battery capacity: 600mah Power supply: the product built-in lithium battery. In the welding time, the sun absorbs the arc to the inside of the lithium battery charge, thus extending the life of the hat and the battery. The battery can be used for 2-3 years Transition time: 2ms 22 (72 F) Delay time(s):