Welding Helmet 1.Variable Shade from #9 to #13 2.High/low Senstivity adjustable 3.Power on/off swich Welding helmetSolar Powered Liquid Crystal Auto-Darkening Welding Helmet Characteristic1). Classical design, reasonable ergonomic structure, comfortable and convenient to use.2). The helmet is made of special nylon,endure extreme temperature,impact resistance,resistance to blows,fireproof,durable. ...