1、Intelligent sensitive filter, automatic light change, 0.1 seconds instant darken while welding, comprehensive protections. 2、Made of polycarbonate material, strong toughness, anti-drop, impact resistance, lightweight design, more comfortable to wear, and will feel not tired after long time wearing. 3、Full lens with higher clarity, the new expansion window on the both sides can provide panoramic true color large visual field, welding more convenient. 4、Heat insulation mask, with high temperature resistant, which blocks arc light, infrared light, ultraviolet and other harmful lights, and also blocks welding slags, avoids high temperature burns, protects your face and say goodbye to arc light hazards. And the protective sheet is replaceable. 5、Large internal space, convenient to wear a variety of protective tools, like protective glasses. 6、180 degrees of free flips, convenient and efficient work, can be turned up when welding gaps or long periods of nonuse. 7、Gear adjustment knob design, rotate to adjust the tightness of the headband. 8、Breathable adjustment band, after wearing will not appear stuffy sweat and other situations. 9、Thickened sponge design, protect your forehead, will not too tight, and also has a sweat-absorbing and non-slip effect. 10、Headband buckle adjustment design, adjust the distance and angle between face and screen, easily adapt to the work field of sight. 11、Head-mounted irradiation light, adjustable angle, USB charging, removable base, easy to disassemble. 12、A variety of irradiation, the combination of spotlight and diffuse light makes it convenient to work in the dark, indoor and outdoor universal.