Optrel 1006.900 Crystal 2.0 Auto-darkening Welding Helmet. Crystal lens technology with shade 2. 0 light state - see clearly what happens before, during and after the welding process. Autopilot - Detection of the arc brightness and fully automated shade level adjustment from 4 to 12. Adjusts automatically to the changing light conditions of the current welding process.Twilight feature - gradually lightens lens When switching from dark (welding) to light state to ease eye fatigue. Sensitivity adjustment - allows operator to change lens switching sensitivity for varying ambient light conditions or outdoor welding in sunlight. Grind mode - switch quickly and easily between weld mode and shade 2. 0 Grind mode using external controls. There is no need to remove the welding helmet to grind. The item "Optrel 1006.900 Crystal 2.0 Auto-darkening Welding Helmet" is in sale since Tuesday, July 6, 2021. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding Equipment & Accessories\Welding Protective Gear\Welding Helmets". The seller is "resale_king1" and is located in Evansville, Indiana. This item can be shipped to United States.