GT-LITE CREE LED 250 Lumen Tactical Flashlight with 3 Mode, water Resistant Lamp for Riding, Camping, Hiking, and Hunting+ Energizer 2 CR123 Uses Cree XP-Q5 LED with a lifetime of 50,000 hours 3 Modes: 100% (250 lumen), 30%(100 lumen) and strobe Tactical tail switch Compatible with 1 pc 18650 Li-Ion rechargeable battery Includes 2 pcs CR123 Lithium battery