Nirsom&reg; CREE XML T6 LED Flashlight 5 Mode Zoomable Torch with Battery and Charger (Flashlight Kits) Flashlight Mode: High, Medium, Low, Strobe, SOS; Zoom in/out Half press the tail switch to change modes Powered by: 1x 18650 or 3x AAA battery Flashlight is made of high quality 6061T aluminum alloy Size(mm):140mm;Max Length 162mm x 32(bezel)/24(body)