Type of LED : CREE XM-L2 LED Output brightness : Can come to above 1200 lumens Internal wiring applies the high efficient booster circuit， working voltage is wide and can utilize the batteries in the largest extent.Waterproofing designMaterial: High quality 6061T Aluminium.Switch: Press middle switch button on/off5 switch Mode: high / middle / low / strobe / sosPower by : 1x 18650 (Not Included)Size : 169mm x 40mm(Head Dia)x 27mm (TD)weight:196gPackage Included1 x CREE XM-L2 LED Flashlight(not include battery and charger)