Fenix HL30 200 Lumen LED Headlamp with Four 2900mAh rechargeable Ni-MH AA batteries, Charger & Two EdisonBright AA Alkaline batteries Max 200 lumen output using two AA batteries Six output options Fast dual-button switch + full-tilt ratcheting system digitally regulated output provides more consistent brightness over the life of the battery, measures 2.7"W x 1.8"H x 1.6"D Comes with with Four 2900mAh rechargeable AA batteries, Charger & Two EdisonBright AA Alkaline batteries