Fenix BT10 350 Lumen XP-G R5 LED Bike Light with four NiMH rechargeable AA Batteries, Charger & four EdisonBright AA Alkaline batteries Utilizes Cree XP-G (R5) neutral white LED, max 350 lumens output Anti-glare lens design produces DUAL DISTANCE BEAM illumination Powered by four AA batteries (Included) Features broad floodlight, close-in visibility and long-range illumination Includes four NiMH rechargeable AA Batteries, Charger & four EdisonBright AA Alkaline batteries