Professional Solar Energy Auto Darkening Welding Helmet

Features:
Adjustable sensitivity and delay time, grinding and welding mode can be chosen.
Effectively protect your eyes, face and head from getting hurt by spark, spatter and harmful radiation.
Made of high quality fire retardant material with high intensity and light weight, durable and safe to use.
Auto darkening when you start working, quick response from clear to dark in less than 1/25,000 second, the levels of darkness isadjustable.
With time delay, your eyes won't be hurt by remained arc, much safer.
Large view window with seeing the welding conditions clearly when weling the goods, convenient to use.
Variable shade(DIN) from DIN9 to DIN13 can be adjusted by turning a shade knob.
With fully adjustable ratcheting headgear and soft sweat band, comfortable to use.
Powered by lithium batteries and solar cell, no need to change batteries.
Note:
1. This welding helmet is not suitable for laser welding and oxyacetylene welding.
2. At the moment of stopping welding, the filter screen automatically changes from dark to light state according to your set per-delaytime.(Turning the time-setting switch to the MIN position, it then can vary at 0.1s-0.3s. Turning the time, setting switch to the MAXposition, then it can vary at 0.6s-0.8s)
3. Utilizes high performance solar cells as power supply and has 2 built-in 3V lithium batteries as backup power. No change of battery isrequired, and the battery life is raised to a new limit. Under normal welding conditions, users can expect a battery has a lifetime ofmore than 2 years.