This auto darkening welding mask helmet welder lens filter is high quality automatic darkening welding lens with UV protection function, very convenient and efficient to use.

Features:
Automatic welding lens filter with UV protection function and fully automatic darkening.
Overall process protection against UV and IR.
High impact resistant PP material, easy and safe to operate.
AAA battery powered and the power can turn on automatically after putting battery into it.
High clear filter with high quality LCD and multi-layer optical filter interference.
Serves to most standard welding helmet's viewing window.

Specifications:
Material: PP + LCD
Color: Black
Light State: DIN 4
Dark State: From DIN 9 to DIN 13 
Dark Adjustment: Internal Adjustment, 9/11/13
Switching Time (Bright to Dark): 1/10000s (Normal Temperature)
Delay Time (Dark to Bright): 0.2s  
UV/IR Protection: DIN15 Levels
Power Supply: 3A Dry Batteries (Replaceable) 
Battery: 2 * AAA 1.5V Batteries (Not Included)
Arc Sensor: 1pc
Application: MIG / TIG / Argon Arc / Welding Arc / Gas Welding
Operating Temperature: -10℃～65℃ (14℉～149℉)
Storage Temperature: -20℃～70℃ (-4℉～158℉)
Active Viewing Area: 90 * 33mm
Filter Cassette Size: 110 * 90 * 9mm / 4.33 * 3.54 * 0.35in
Filter Cassette Weight: 63g / 2.23oz
Package Size: 11.3 * 9.3 * 1cm / 4.45 * 3.66 * 0.39in
Package Weight: 65g / 2.31oz

Package List:
1 * Auto Darkening Welding Lens