1.Model Name:E172.LED Emitter:Cree XM-L T63.Mode: 5-Mode (high - medium - low - sos - Strobe) 4.Lamp Life:100、000 Hours5.Color:black6.Emitted Color:White Light 7.Switch:Tail Cap Clicky/Clickie8.Lens: Convex Lens9.Case material:Durable aircraft-grade aluminum10.Battery for 1x18650/3xAAA(not include)11.Dimensions:157/135mm (L) x 35mm (HD) x 32mm (TD)Accessories including:1 x flashlight1 x 18650 casing1x AAA battery holder