Versatile and lightweight electronic welding helmet with auto-darkening flip-up lens controlled by 4 independent sensors. DIN 5-13 Lens Lens Switching Time: 0.1msec 4 Arc Sensors Suitable for MIG, TIG & Arc Welding With Grinding Mode Adjustable Head Band Polycarbonate Construction Permanent UV & IR Protection Variable Welding Shades DIN 5-13 Lens Lens Switching Time: 0.1msec 4 Arc Sensors Suitable for MIG, TIG & Arc Welding With Grinding Mode Adjustable Head Band Polycarbonate Construction Permanent UV & IR Protection Variable Welding Shades