Features:<br />- Auto-Darkening welding Helmets are designed to protect the eyes and faces from spark， spatter， and harmful radiation under normal welding conditions.<br />- Lithium Battery Powered with Solar Backup.<br />- Ample mask space and very safe structure.<br />- Suitable for high welding operation temperature.<br />- Welding or Grinding Selection.<br />- Outside shade number and sensitivity adjustable can make the operators more convenient while operating.<br />- Large view window dimension for observation easily.<br />- Right and left hand can select the suitable stile.<br />- Auto darkening lens will automatically darkens to it's selected shade number when the light from welder is detected.<br /><br />Viewing Area : 98 x 5mm<br />Head Circumference Diameter: Φ-15cm / 5.91inch ~ Φ18cm / 7.09inch<br />Arc Sensor: 2<br />Light State: DIN4<br />UV/IR Protection : DIN 16<br />Dark State: Variable shade， 9 ~13<br />Power On/Off: Fully Automatic<br />Shade Control: External， Variable<br />Switching Time: 1/25000S，from Light to Dark<br />Dark to Light: 0.1-1.0S by infinitely dial knob<br />Sensitivity Control: Low / High， by infinitely dial knob<br />Power Supply: Solar cells， no battery change required<br />Low Amperage TIG: ≥10amps(DC)， ≥10amps(AC)<br />Grinding Function: YES<br />Operating Temp: -5℃~+55℃<br />Storing Temp: -20℃~+70℃<br />ANSI / CSA / CE IR Protection Level: UV Protection Level<br />Product Size: 180x 280x 220cm / 7.09x 11.02x 8.66inch<br />Package Size: 270x 240x 270mm / 10.63x 9.45x 10.63inch<br />Weight: 528g / 18.62oz / 1.16lb<br /><br />Package Include:<br />1 x Welding Helmet