CatEye Omni Headlight features powerful LED&';s and 180 degree visibility. Battery: 2, AA Battery Alkaline, 1.5(V), 1.8(Wh), 24g, Included Opticube lens technology provides all around visibility Modes: Rapid/ Flash/ Constant Flextight bracket and belt clip included Runtime: Approx 50hrs in constant, 150hrs in flashing, and 50hrs in rapid mode Item Specifications Battery AAA Recharge Type Not Rechargable Weight 41