Sound: 8,
Voltage: 12V DC,
Power: 200W,
Sound level: 130 db max,
Main shell material: metal
Produced by microcomputer programming, with strong anti-jamming performance, stable tone, low power consumption, long life and reliable performance
8 tone design with clear and pure sound. Universal mounting bracket design for easy installation
Wiring method: The main red line is connected to the positive electrode of the battery, the black line is connected to the negative pole, and the other 2 green wires are connected to the horn.
Suitable for police, fire department, ambulance, traffic, engineers, volunteers and private vehicles, to use as a public address system or as a horn

Installation:

-Easy to install anywhere with 12V DC Power - No installation guide provided, please consult with car audio installer or mechanic.
-Custom installation required. Requires 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.
-You have to bolt the speaker to an appropriate place in the grill or under the hood of the vehicle, then wire it to a siren head unit to drive it or connect it to a PA amp