Sa350 Auto Darkening Welding Helmet With Anti Splatter Lens; Cartridge Size: 110 X90 X9mm; Shade: Din3/11; View Area: 90 X35mm; Response Time (Bright To Dark): /15000 Seconds (Normal Temperature Conditions) The Return Time (Dark To Bright): 0;25 0;45 S; Sensitivity (Welding Based On Current Size): Battery: Lithium Battery + Solar Cells; Replace Battery: No Uv/Ir Protection: Din 16 Grinding Function: No Adf Self Check: No Low Amperage Tig: ?35 A; Low Volume Alarm: No Arc Sensor: Optical Class:1/1/1/2