ESAB Sentinel A50 Welding Helmet 0700000800

Cartridge Dimensions 133 x 114 x 9 mm Viewing Area 100 x 60 mm (3.93 x 2.36 in.) Lens Shade DIN 5-8/9-13 Power Supply Solar cell plus battery replaceable. (2*CR2450 lithium). Alerts when low battery. Sensors 4 Switch Time 1/25,000 s. from Light to Dark Classification 1/1/1/2 Standards DIN plus, CE, EN175, EN 379, EN166, ANSI Z87.1, CSA Z94.3, AS/NZS 1338.1 Weight 640 g (1.4 lbs)