Filter Model: WH9810 Optical Rating:1/1/1/1 Viewing Area:100x93 mm main window 50/85x100 mm side window Cartridge Size:133x 114 x 9mm Sensors:5 Light State (DIN):Main Window DIN3 ; Side Window DIN5 Dark State (DIN)4-8 / 8-13 ,4-8/8<13M UV/lR Protection:Up to DlN 16 On / off:Automatic Switch Time(light to dark):0.04ms TIG Capability: =2A Control: Digital Auto Test :Yes Shade Control: Auto/Manual Shade Deviation Of Auto Shade:-2.0 - +2.0 Sensitivity Control:0-7, Automatic Delay Control (Dark to light):0-9 (0.06-1.2S), Automatic Tac welding: Yes Gradual Shade Return To Clear State: Yes Mode: CUT/WELD/GRIND External Grind button: Yes Power Supply: Solar Panel & Replaceable Lithium Batteries 2xCR2032 Warranty (years):2 Weight:550gr Material of helmet: NYLON Certification: CE/ANSI/CSA/AS/NZS