The Led Lenser HF4R core is a rechargeable lightweight head torch. The torch has a max 500 lumens of brightness which can last up to 2.5hours on full brightness. 502792 hf4r core rechargeable 500 lumens 130m 2.5 hours 20 lumens 15m 35 hours 5200 to 6200k colour temperature slim and lightweight front switch and a switch on the head of the torch use it can be used one handed
