Description :Clown with Submachine Gun Solar Welder Mask Helmet Electro-welding Auto Darkening Welding TIG MIG Welder Lens MaskFeatures :Strong materials and fire retardant.Definition protective filter. You can see the welding conditions clearly when welding the goods. Welding luminosity is soft and comfortable.It works the moment you start work. This products adopts advanced circuit design.Striking the arc, the observing window darkens immediately.Permanent UV / IR protection.Fashion appearance. Ultra light designing.High performance solar cells and lithium battery.Sensitivity and delay time can be adjustable.Grinding and welding mode can be chosen.Specification :Masks materials : PPLight states :DIN 4Dark states :DIN9-13free adjustment(Outside Variable)Response time(bright to dark) : <1/30000 seconds(normal temperature conditions)Sensitivity (welding based on current size) : adjustable : low/highBattery : lithium battery + solar cells, no battery change required.UV protection :16levelsWorking temperature : -5-55Storage temperature : -20-70Package includes :1 x Welding Helmet1 x Adjustable Headband1 x User Manual