Tatco Megaphone, 800 Yard Range, Adjustable Volume, Gray/Blue (TCO27900) EachPowerful, lightweight megaphone features audible range of up to 800 yards. Adjustable volume control may be snapped onto back of megaphone or carried alone with attached cord. Megaphone features a siren for emergency situations, shoulder strap for easy handling and sturdy ABS body. Maximum output power is 25 watts. Megaphone operates with eight C batteries (sold separately). General Information Manufacturer: Tatco Products, Inc Manufacturer Part