<b> Common Features</b><br><br> <b>-Compact auto-darkening lenses </b><br> -Allow users to weld in spaces where access with traditional welding helmets is limited. <br><br> <b>-Free your glasses </b><br> Easily wear your glasses inside goggles,which traditional welding helmets are limited. <br><br> <b>-Face shield </b><br> Provide coverage for UV/IR rays and applications with limited spatter.<br><br> <b>-Ideal for use with hard hats.</b><br> Both Weld-Mask models fit under a hard hat without the need of an adapter.<br><br><b>-Anti-fog,which traditional welding helmets are limited</b><br><br> <b>Specification:</b><br /> -Masks materials:PP<br /> - Better clarity, True color view - 1/1/1/2 Optical Clarity<br /> -Light states:DIN 4<br /> -Dark statesDIN5～9/9～13 free adjustment(Outside Variable)<br /> -View Area: 4.82 x 1.37 inch<br /> -Response time(bright to dark):<3/10000 seconds(normal tempteratur conditions)<br /> -Sensitivity (welding based on current size):adjustable: low/high<br /> -Power on/off:Fully automatic<br /> -Power supply: re-chargeable battery<br /> -UV/IR protecion:DIN 16<br /> -Working temperature: -5 ~55 Degree<br /> -Storage temperature:-20~70 degrees centigrade<br /> -Low voltage indicator: Yes <br /> -ADF self-check: Yes<br /> -Package Included:<br />1 x Auto Darkening Welding Goggle <br />1x Welding Mask <br />1 x User's Manual<br /> 2x Replacement Lens<br /> 1x Replacement Battery<br />