Auto switching time: light to dark is 1/20,000 Seconds. Darkness shade control (DIN): shade levels 9-13.
In full conformity with CE and ANSI Z87 standards. Charges with exposure to welding or sunlight. Operation Temperature: -5 degrees C 55 degrees C. Viewing Area: 98mm x 55mm(3.86" x 2.17"). Knob for you to control easily.Can be selected by switch. Switch for you to control switching time from darkness to light. Outside darkness shade level knob. This helmet can accept the cheater lens.
The item "BLACK500 Auto Darkening Welding Helmet Mask 4 sensors, DIN 9 to 13" is in sale since Friday, June 29, 2018. 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 "etoolstar" and is located in Claremont, California. This item can be shipped to United States.