The MH 10 from Nitecore represents a compact version of the USB rechargeable MH series. At 1000 lumens, the MH 10 has plenty of power at compact dimensions, while the included rechargeable battery (type 18650) can be conveniently recharged from any USB power source (cellphone charger, USB port on the computer or notebook, USB port in the car, powerbank, etc.) with the included standard USB cable. If no charging option is at hand, the lamp can also be operated with 2 standard type CR123 batteries. Hard-anodized aluminum housing, Cree XM-L2 U2 LED. Diameter: 25.4mm. 4 light levels plus SOS, strobe and beacon. Shipped with type 18650 Li-Ion rechargeable battery (2300mAh), USB cable, wrist strap, belt pouch, clip, and spare gasket. Water-proof as per IPX-8.