Light bulb type: Cree XM-L T6 LED Brightness: 1600 Lumen LED Quantity: 1 pc Emitting Color: White Battery Type: 1 x 18650 3.7v Battery (not included) 5 Modes: High / Low / Strobe / Zoom in / Zoom out Body Material: Aluminum alloy Body Main Color: Black Size: Approx. 11.5 x 3 x 2.3cm (L*Head D*Body D) High quality CREE XML T6 LED chip Output Max can come to 1000lm Special reflector design， enhance light output in intension and distance Constant current / voltage circuit design， protect LED emitter from damage Aluminum alloy case， avoid damage when drop off on ground With On/Off button switch at the bottom of the torch Zoom in and zoom out to adjust aperture