b>Features:</b><br /> - Great For TIG MIG MMA<br /> - Viewing Size 3.64"X1.67" with 2 Premium Sensors <br /> - Better clarity, True color view - 1/1/1/2 Optical Clarity<br /> - Increased battery life<br /> - Superior comfort with the pivot style headgear.<br /><br /> <b>Specification:</b><br /> -Masks materials:PP<br /> -Light states:DIN 4<br /> -Dark statesDIN9～13 free adjustment(Outside Variable)<br /> -View Area: 3.64"X1.67"(92.5x42.5mm)<br /> -Response time(bright to dark):<1/10000 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 /> -ADF self-check: Yes<br /> -Package Included:<br />1 x Auto Darkening Welding Helmet<br /> 1 x User's Manual<br /> 2x Replacement Lens