Jackson Welding Helmet, Freedom Graphics, Variable ShadeModel Number: 47103CE Classification: 1/1/1/1Viewing Area: 3.94"" x 2.36""Filter Dimension: 5.25"" x 4.5""Lens Shade: Variable shade 5-9/9-13Light State: 4Shade Control: InternalSensors: 4On/Off: AutomaticPower Supply: Solar cell,2XCR2450 Lithium battery, replaceableSwitch Time: 0.04ms at 23CSensitivity Control: Adjustable (internal, digital control) Delay time (dark to light): 0.1-0.9s adjustableGrind Mode: Yes(digital control)Low battery indicator: YesTrue Color: YesLow TIG amps rated: 3AOperating Temperature: -10C- 65C(14F-149F)Storing Temperature: -20C- 85C(-4F-185F)Packaging: 4 Color Retail Box with Outer Shipping BoxStandard Certifications: CE, ANSI , CSA , AS/NZSHeadgear: 26091 370 Headgear