Nitecore MH10 USB Rechargeable Flashlight CREE XM-L2 U2 Portable Torch Waterproof Compact Searchlight With NL183 2300mAh 18650 Battery Rechargeable Directly: Never run out of power, can be recharged by USB cable, wall or car adapter. Great brightness: Utilizes a CREE XM-L2 U2 LED,maximum output of up to 1000 lumens,232 meters Powerful lighting: Integrated PDOT provides extreme reflector performance,13,500cd beam intensity. Durability: High efficiency constant current circuit board provides max runtime of 520 hours. Security: Streamlined tubular body,Impact resistant to 1.5 Meters,Waterproof accordance to IPX8.