<b>Features:</b><br /> - Great For TIG MIG MMA, Plasma Applications with Grinding Feature<br /> - Super Large Viewing Size 3.94"X2.64" with 4 Premium Sensors <br /> - Better clarity, True color view - 1/1/1/1 Optical Clarity<br /> - Increased battery life<br /> - Superior comfort with the pivot style headgear.<br /><br /> <b>Specification:</b><br /> -Masks materials:PA<br /> -Light states:DIN 4<br /> -Dark statesDIN5～9/9～13 free adjustment(Outside Variable)<br /> -View Area: 3.94"X2.64" (100x67mm)<br /> -Response time(bright to dark):<1/30000 seconds(normal tempteratur conditions)<br /> -Sensitivity (welding based on current size):adjustable: low/high<br /> -Power on/off:Fully automatic<br /> -Power supply: Solar cell .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 Helmet<br /> 1 x User's Manual<br /> 3x Replacement Lens<br /> 2x Replacement Battery<br /> 1x Storage Bag