The Ledlenser H7R Work is a rechargeable headlamp built for work. Its neutral white light is bright, constant and flicker-free, and a high colour rendering index (CRI 90) shows colours naturally, useful for electrical and other colour-critical work. It is steplessly dimmable and focusable with Ledlenser's Advanced Focus System. Output reaches 1,000 lm on Boost (250 m beam), 600 lm on Power for 4 hours, or 15 lm for up to 60 hours. Flex Sealing Technology gives IP67 dust and water protection, and a rubber cover and protective lens screen add impact resistance; it is drop tested to 3 m. It runs on a replaceable 21700 Li-ion battery (4,800 mAh) with magnetic charging. Supplied with the battery, magnetic charging cable, extension cable, belt clip and helmet band fixing clip.