The Ledlenser H5 Core is a compact, easy-to-use headlamp for everyday tasks, camping and work. It gives up to 350 lumens in Boost and 200 lumens on Power with a 120 m beam (about 2 hours), and 15 lumens on Low for about 20 hours. The patented Advanced Focus System changes from flood to spot, and the Wheel Switch gives stepless dimming. The lamp head rotates through 160 degrees, and Ledlenser's Flex Sealing Technology gives IP67 protection against dust and water. It takes two AA batteries (included) and can also use NiMH rechargeables. The Ledlenser Connecting System interface lets you add accessories. It weighs 178 g with batteries.