Professional Welding Helmet with 4 Sensors 100x65mm Auto Darkening for MMA MIG TIG EN379

Auto-darkening welding helmet Tywel9B with sensors. Solar-powered with battery backup, auto-darkening functionality and a switching time of 1/30000 s. Viewing area 100 × 65 mm (3.94 × 2.56 in.). Helmet shell in nylon, sensitivity rated at 3 amps for DC and 3 amps for AC. Certified to RoHS and CE. Not a smart device.