Nitecore MH12 1000 Lumens Cree XM-L2 USB Rechargeable Flashlight With 1 Piece Nitecore NL188 3200mAh 18650 Battery 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 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