Specifications: UltraFire Cree XM-L T6 LED flashlight CREE XM-L T6 led bulb. Brighter than Q5! Body Material: Alumiun alloy Water resistant design. Can be used on rainy days, but not in water! Size: approx. 115mm (L)x 30mm (Head Dia)x 25mm (Body Dia) Battery Type: 1 x 18650 3.7v Battery (NOT Included. Please purchase separately.) 3 Modes: High / Low / Strobe (lightly push the tail button to circle the modes) Zoom in / Zoom out Package Includes: 1x Cree T6 led flashlight