Weldcote Safety True-Color Auto Darkening Filters feature CE Classification is 1/1/1/1: Accuracy of Vision, Diffusion of Light, Consistent Shade, Angular Dependence. Clear True-Color Blue HD Technology. Solar Cell and Non-Replaceable Lithium Battery. Enhanced visible spectrum, optimal clarity. Reduced eye and neck fatigue. 2 Independent Arc Sensors. Thickness 5.2 mm / 0.2". Auto-on / Auto-off circuitry. Viewing area of 5.15 square inch. 3.62" x 1.42". Switching speed 3/50,000 sec (0.6 ms). Start in shade 3-grind mode. 2 cover lens included. 2 Year Warranty. Meets ANSI Z87.1-2015, CSA & CE 279 Standards. Instruction for Use: Install the filter and protective plate into the suitable welding helmet. The solar cell and light sensor must be fully exposed and be sure the arc light can be received fully by solar cell and sensor. Then strike the arc, the filter will be darken immediately.
2 Year Manufacturers Warranty