Suitable for MIG, TIG and Arc (MMA/GMAW) electric welding. Solar-powered for simple and reliable operation. Comfortable 4-way adjustable padded headband for comfortable fit. Dual light sensors switch from light to dark in 1/5,000 second. DIN shade 3 (light) / DIN shade 11 (dark). DIN 16 UV and IR protection. Certified to EN379 and 175.