1. 12 Volt Powered.
2. Works with ANY 12V Car,Van or Truck.
3. 60W Speaker provides very loudly sound.
4. It is about 300 decibels unit at full volume.
5. 5 Siren Sounds:Hooter/Ambulance/Traffic/Police/Fire Alarm
Easy to Install with screws.
4-Hole Mounting Base
Connect the red wire to the postive pole and the black wire to the negative pole.
1 X Car Loud Horn
1 X 5-Sound Siren Microphone