Titop 2016 4000lm Aluminum E17 Cree Xm-l T6 LED Torches Zoomable LED Flashlight Accessories Torch Lamp S3 for 3xaaa or 18650 Batter With Battery Using XM-L T6 lamps, Max brightness 4000LM,Irradiation distance &gt;500m Internal wiring applies constant current output, working range is wide, can utilize the batteries Five modeswith one button : high light, middle light, low light, strobe and SOS lightfor your choice Zoom in & Zoom out. Aluminum alloy casingand skid-proof design, feel more comfortable Widely used in outdoor activities such as mountain climbing, camping, hiking, forest exploring