KWH100 polyamide welding helmets with dedicated grinding mode. Features and Benefits Auto darkening lenses which automatically change from light to dark shade when arc is struck External sensitivity control provides clear vision both prior to and during welding Special turnover headband mechanism offers greater comfort and reduces fatigue Ultra high-performance filters protect against UV and IR - up to Shade DIN16 Dual powered - Solar cells and CR2450 lithium battery Power On/Off: Fully automatic Large view - 98 x 55mm Impact resistant Corrosion resistant Lightweight Manufactured from durable and flame-retardant material Typical Applications Suitable for all kinds of welding types, including TIG low amperage Notes Light State: DIN4 Variable Shade: From DIN9 to DIN13 Operating Temperature: -5C to +55C (23F to 131F) Storing Temperature: -20C to +70C (-4F to 158F) Standards Full conformity with related DIN EN 379, DIN EN 175 B and ANSI Z87.1