This rechargeable hand lamp dimmable from LedLenser (X 21R) 1x batt Li-ion incl 1600Lm and is made of high-quality material. This lamp is compact and strong and fits well in the hand. LedLenser is a Zweibrüder brand. They manufacture a wide range of torches, headlamps and diving lamps featuring the latest LED technology as well as, in most cases, the Advanced Focus System, one of the best focusing systems available.