An attractive auto-darkening welding helmet, suitable for all welding and cutting applications down to just 2 Amps. Fully automatic on/off. Internal adjustment from shade 9 13. Features include Auto Darkens In 1/25,000s Lightweight and comfortable, at just 0.6Kg total product weight Low 2A minimum current sensitivity for use in precision TIG applications 4x Light detection sensors Powered by solar cell and 3v Li battery replaceable for fast switching amp low amp sensitivity Adjustable sensitivity and delay 6000hr Battery life e. LED to indicate battery replacement required