xtrm Auto Darkening Welding Helmet Hi-Tech Grinding CE Approved Solar Power Function Professional Protective Gear Welding Tig Mig Arc Welders Mask Helmet + 5 Lens

Light State: Din 4. Shade State: Din 9-13 (adjust the switch button beside the outer lens from 9-13.). Viewing Area: 42mm*92mm. Switching Time: 0.5ms (From Bright To Dark). Delay Time: 0.2-0.8s (Short-Long, By Switch Button). Sensitivity: Stepless Adjustment By Switch Button, Low-High, Power On/Off: Fully Automatic Shade Control: Outer Control, Stepless shift. Arc Sensors: 2 Arc Sensors. Power Supply: Solar Cells & Lithium Batteries and Grinding Function: YES (turn the button beside the outer lens to "Grind",you can use this function). UV/IR protection level: Meets standards of CE Certification: EN175, EN379. Adjustable Headband: Press the button behind the headband, turn left to loosen, turn right to tighten Sweatband attached on the Headband: The sweatband is removable & washable. Working Temperature: -10+60 The Penetration of UV: <0.0003 at 313mm-365mm. The Penetration of IR: <0.027 at 780mm-1300mm. Replaceable battery: Open the battery cover from contra-rotate, then take out battery Low battery state test: Press the "TEST" button, the lens will be dark. The low battery indicator light will be bright if it is low-battery state.