By D&B Supply
Patriotic Autodarking Welding Helmet
Made of lightweight, molded nylon with a ratcheting headgear and absorbing headband liner. Adjustment knob outside of the helmet for ease of fit adjustments. Adjustable filter can automatically change from clear to dark in only 1/30,000 of a second. Four optical sensors for better detection of the arc. Field of vision measures 3.86" x 2.17". Powered by high performance solar cells and two built in lithium-ion batteries. ADF lens conserve power by going to standby after 5 minutes of inactivity. Conforms with ANSI and CE safety standards.