helm las welding helmet 3m speedglas 100 series

The 100 series welding helmets from 3M Speedglas features a variable shade 8 - 12 (100V) auto darkening filter, grinding mode and delay function. Fitted with three sensitivity settings, these helmets are suitable for TIG gt;10A, MIG and MMA applications. Choose from a wide selection of graphic designs which are all supplied with a 2 year warranty. Details: ADF Light Shade: 3 ADF Variable Shade: 8 - 12 Battery Life: Up to 1500 hours Battery Type ADF: Lithium 3V Viewing Area: 44 x 93mm Number Of Sensors: 2 UV/IR Protection: Shade 12 (permanent) Switching Time (dark-light): 40-250ms Switching Time (light-dark): 0.1ms @ 73°F (23°C)