Brand new and durable High strong materials and fire retardant Start work immediately Fashion appearance ultra light designing wearing comfortable High performance solar cells and lithium battery Sensitivity and delay time is adjustable Grinding and welding mode can be chosen Permanent UV/IR protection High definition protective filter
Specification: Mask material: PP Weight: 1 LBS Light states: DIN 4 Dark states: DIN9~13 free adjustable Catridge Size: 96 x 48 x 6 mm View Area: 93 x 43 mm Response time(bright to dark):
