TRQWH True Color Welding Helmet Auto Darkening Solar Powered with 4 Sensors
DIN4 in the light state, DIN5-9/9-13 in the dark state. The auto-darkening filter is made of high-quality liquid crystal and optical coating, which can resist 99% of the harmful light to the eyes. The solar cells can absorb the strong light energy caused by the electric arc, thus extending the battery life.