... 2.Shell material ,soft,light tight,intensity high and durable 3.Clear vision welding helmet welding helmet1.Solar powered 2.Shell material ... ,soft,light tight,intensity high and durable 3.Clear vision welding helmet 4.Against UV Switching Time (From Light ... see when welding. 2) Use solar supply could save consumption.3) High-powered optical lens could block all UV& IR, protect ...