The MPH15 runs off 6 C batteries (not included).
Technical Pro Lightweight 2000ft Range Portable 15 Watts Megaphone Bullhorn w/ Strap, Siren, Good for Trainers, Soccer, Football, etc Technical Pro Lightweight 2000ft Range Portable 15 Watts Megaphone Bullhorn w/ Strap, Siren, Good for Trainers, Soccer, Football, Baseball, Coaches, Kids, Teachers The MPH15 is a durable pistol grip megaphone with a collapsible handle. 5mmUp to 5 hours of continuous useBattery: 6C batteries (not included)Antifeedback Microphone TechnologyABS construction and ergonomic folding pistol gripHandheld or shoulder strap (included)Police SirenVolume Co In addition, it comes with a preset police siren. Features: Great for making announcements at small gatherings and partiesLight-weight, foldable compact design for maximum portabilityNoise effect features for additional funExtended battery capabilities give you enhanced playtimePeak Power: 15 WattsBuilt in MicrophoneInput: Aux 3. Technical Pro Lightweight 2000ft Range Portable 15 Watts Megaphone Bullhorn w/ Strap, Siren, Good for Trainers, Soccer, Football, etc.