Our 25 watt deluxe megaphone is weatherproof and has a detachable microphone and alarm siren. It featuring a push to talk detachable microphone with volume control, shoulder strap and table stand. It uses eight C-batteries, which are not included. Technical Specifications Bell Diameter 9-1/8" Effective Range 1400 feet Length 13-1/8" Wattage 25 Wtts maximum Weight 3-1/4lbs w/out batteries