The Ledlenser H19R Signature is a high-end rechargeable headlamp for extreme outdoor adventures, search and rescue and night work. It gives up to 4000 lumens in Boost and 1800 lumens on Power (about 3 hours), with a beam of up to 330 m, and 200 lumens on Low for about 20 hours. Its Fusion Beam combines a separately adjustable flood and spot LED for a very even light pattern. Through Bluetooth and the Ledlenser Connect app you can personalise the settings, and the included remote control lets you work it from your wrist. It is rated IP68 and has a red light and a 4800 mAh 21700-2S lithium-ion battery pack, charged with the magnetic charging cable. The box includes a tripod adapter, universal mounting bracket, extension cable and helmet connecting kit, so it can also be used on a helmet or handlebars. It weighs 374 g.