WH50 Boss Variable Auto-Dark, Amber/9-12, Hvy Metal, HLX100, 3 3/4 in x 3.47

Features variable shade 9-12, sensitivity and delay adjustments

Versatile 3-N-1 built-in function: Weld, Torch, Grind

Amber view lens allows for enhanced clarity of weld puddle

Technology allows unit to detect welds less than 5 amps

Built-in mag lens holder

Two independent sensors

Low battery indicator

Requires 2 AAA batteries (included)

Manual On/Off; Auto Off