The Top Gun TITAN series auto-darkening welding helmet range offers one of the largest viewing areas on the market. The huge 98mm x 87mm electronic lens allows the user to have a larger, clearer view of the job at hand. With four sensors, solar cell assist, interchangeable batteries, and a 1/30000s switching time, the Top Gun Titan Series auto-darkening welding helmet is the right choice for optimal UV protection.