["Features:\n♥ULTIMATE EYE PROTECTION:Auto-darkening filter switches from light to dark in 1/25000 sec, in event of electric failure, the welder remains protecting against UV and IR radiation according to shade 16.1/2/1/2 rating meets ANSIZ87.1-2010 and EN3794/9-13 standards. A for smart choice for safety.\n♥MANUAL ADJUSTMENT MEETS DIFFERENT DEMANDS: Equipped with sensitivity and delay settings for adaptability for different environments and task durations; Enjoy enhanced visibility and color recognition.Light level of filter is DIN4 and the for time from dark to bright state within 0.1s to 1.0s.\n♥CLEAN COMFORTABLE VIEW: Equipped with standard 3.62’’ x 1.65’’ clear visor viewing area; Diffusion of light, variation of luminous transmittance and angular dependence allowing the welder to see clearly at different angles; Light weight (1 LB) suitable for long for time working; Balanced with an adjustable and fatigue-free comfortable headgear.\n♥INTELLIGENT, PRACTICAL AND COST-EFFECTIVE: The Auto Darkening Filter (ADF DX-500S) enables welders to adapt to various working environments by controlling the shade of the lens; Sensitivity adjustments from ambient lighting sources; Battery powered with solar panel technology for longer life (up to 5000 hrs).\n♥GOOD FOR VARIOUS WORKING ENVIRONMENTS: Recommended to automotive, construction, and food & beverage manufacturing, metal production and fabrication, military maintenance, repair and operation (MRO), mining, oil and gas, transportation, etc.\n\nSpecifications:\nMaterial: PP\nViewing area: 93*43 mm\nCartridge Size: 110*90mm\nOptical class: 1/1/1/2\nDark shade: DIN9-13 External Adjustment\nLight shade: DIN4\nSwitching time: 1/30000s\nArc sensor: 2\nMode: Weld / Grind\nBattery: Lithium Battery + Solar Cells\nUV/IR protection: DIN 16 \nWorking temperature : 23℉-131℉\nQuantity: 1 Set \n\nNote: \n1.Transition: 1cm=10mm=0.39inch\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Welding Helmet\n1 x Adjustable Headband"]