【Intelligent Chip Auto Darkening】——There is an intelligent chip built in this auto darkening welding mask, which can quickly drive the liquid crystal to change light, more stable auto darkening function and no flash light will escape from it, perfectly preventing your eyes from being hurt by EME and arc radiation 【Ergonomic Structure Comfortable Wearing】——This electric welding helmet welder mask is designed according to most common human head, there are 2 parts of this helmet including the outside metal cover and inside adjustable headband and the maximum size of the band is 22.5*22*13cm, as long as your head size is smaller than that it is all well suitable, and the band also make sure you head not directly contact the hard metal cover, no matter how long you wear it, you won’t feel any 【Full for Eyes and Face】——Unlike those single welding glass or inferior helmet, this welding mask will well fully cover your head and won’t expose any of your face skin under the hurting light and radiation or spark, giving your face and eyes full 【Fashionable Unique Design】——Three unique of this welders mask for you to choose which includes Joker/Skull/Ghost Claws/Matte Black; all of them look quite stylish and unique, not only practical for protecting eyes and face but also pretty 【Effective Solar Cell for Energy Saving】——This Auto Darkening Welding Helmet has 2 power supply including solar cell + lithium batteries, both have high performance, pretty effective and energy saving also convenient to use, Manufacturer: Ejoyous