Specifications: 1) Power: 4 x AA batteries 2) Weight: 190G (not including batteries) 3) Dimensions (L x dia.): 205 x 70mm 4) Sound reinforcement output: 2W 5) Illumination output: 2W 6) Suitable for army, police, guardian on duty or rescue, and can be used in working places, families, traveling, driving, camping, parties as well as urgent occasions.