Ediors&reg; 60w Loud 12v Car Horn Siren Kit Pa System 5 Tone Police Fire Fighter Car Truck Elecronic Emergency Sound Vehicle Warning Siren Speaker 60W Five Tone Emergency Sounds Air Horn is manufactured and sold exclusively by Comfort Wheels. With 5 tones, a PA microphone, and a 60 Watt siren system the Air horn can be heard loud and clear. It installs anywhere with 12V DC Power. The horn offers 5 great sounds; a traditional Hooter, a ringing fire alarm, a wailing ambulance, a blaring police siren and the distinct traffic sound. Properties: - voltage is 12V DC-Input current: 1300-1500 ma-Sound pressure level: 226=3Db- Output Power: 60W-ABS Housing: black Installation instruction: connect the RED wire to a 12v source, and then run the black wire to a ground or negative battery post. Note: with very large vehicles the installer may need to purchase additional wiring to elongate the wires. Typical installation time is less than an hour. See the image for reference. The product is designed for custom installation. It needs 12V Power delivered to 2 wires. You may have to extend the wire between the speaker and the control module if you are mounting this in your engine bay. Considering the price, this product is a fantastic value, however please don't expect professional grade equipment at this price. If you are installing this on your cigar plug in your vehicle, you may need to increase the fuse on your cigar outlet. Wiring and modification should be expected.