Our Horse Whinny Sounds Musical Car Horn is an original, one-of-a-kind product that will make your car, truck, or automobile talk. Can use your existing key-less entry key fob to activate a sound when you lock and/or unlock your car. Can also be hooked up via a toggle switch or horn button. Fast and Easy installation...with step by step install instructions. Our Horse Whinny sound car horn can be used in your car, boat, RV, motorcycle, golf cart or can be installed in a fixed location and operated from any 12 volt DC power source. The horn can also be made portable by connecting it to a 12v lantern battery. Please Note: This Horse Sounds Musical Car Horn is not intended to replace your alarm system or perform as one. Plays 2 sounds... Whinny, Whinny with blow EXTREMELY LOUD!