GT-LITE CREE LED 500 Lumen Tactical Flashlight with 3 Mode, water Resistant Lamp for Riding, Camping, Hiking, and Hunting+ Energizer 2 CR123 3 files dimming, High low and strobe Q5 lighting, brightness of 500 lumen Waterproof, Anti Corrosion Lifespan: 100,000 hours,Max to 500 LM Uses Cree XP-R5 LED with a lifetime of 50,000 hours with 500 lumen power Total reflection lens delivers soft and bright flood light 2 CR123 Lithium energizer battery included full charge can last up to 4 hours