... 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 to ... , enlarge window, use it could clearly see when welding. 2) Use solar supply could save consumption.3) ... 460gHead band adjusted range(mm): 165-200 Welding helmet