Features:<br />    Color: Red<br />    Voltage: 12V<br />    No Air Tubes Needed<br />    Sound type: Dual Tone<br />    Sound level @ 2m: 115dB<br />    Sound level @ 10cm: 139dB<br />    Frequency: 530/680Hz ≤ 5%<br /><br />    No External Air Supply Needed<br />    Product Type: Electronic Pump Horn<br />    Easy to Install (Mounts with only 1 screw)<br />    Size: 6.1"(154mm) x 4.4"(112mm) x 3.9"(100mm)<br />    This kit mounts with a single bolt (included) and produces a powerful 115 decibel dual-tone air horn sound<br />    Applications Vehicle: Fits on Any 12 Volt Vehicle(Car， Truck， SUV， Motorcycle， Yacht， Boat， off Road Vehicle， Buses etc)<br />    Its one-piece design requires no hoses and installs in minutes by simply transferring the factory horn wires to the compressor.<br /><br />Package Included:<br />    1x Air Horn<br />    1x Screw<br />    1x Relay