Fenix PD12 360 Lumen Neutral White CREE XM-L2 T6 LED EDC Flashlight with LegionArms Lithium Battery - PD20 PD22 upgrade Latest Cree XM-L2 T6 Neutral White, Incredibly bright - 360 Lumen Subcompact size - Car key size, perfect on the keychain or in the pocket Side switch on the head for simple and convenient operation 81mm (3.18") Length x 25.4mm (1") (Head Diameter), Use single CR123A Battery (included) Bundle: Fenix PD12 package and LegionArm CR123A Battery