Ledsniper&reg;1800 Lm 3 Mode Cree Xm-l U2 Led Zoomable Flashlight Torch Foucus Light 18650 with USB with Car Charger and Wall Charger Maximum Output: 1800 lumens 5 Mode: high / middle /strobe / zoom in & zoom out Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent. Reverse polarity protection, to protect from improper battery installationSlip-resistant body design Easy to use side mode switch with memory