The Ohio State University FatLady Musical 4 Song Car Horn with WIRELESS REMOTE CONTROL 4 button WIRELESS Remote Control (KeyFOB) - Does not interfere with your cars horn Can be installed in car, boat, RV, golf cart, motorcycle, etc or on your house!! (with a separately purchased 12 volt power supply) Loud!!! - 20 Watt Audio Amplifier - Adjustable volume using wireless remote Portable/Wireless Easy Installation No tools required Also plays Star Spangled Banner, Happy Birthday and Jingle Bells