Handysmart CREE XML T6 LED Flashlight Kit 5 Mode Zoomable Torch with Battery and Charger Zoom In/Out Flashlight with 5 Modes: High, Midium, Low, Strobe and SOS Half press the tail switch to change modes Powered by: 1x 18650 or 3x AAA battery High Quality 6061T aluminium alloy construction offers durability Size(mm):140mm;Max Length 162mm x 32(bezel)/24(body)