What's in the box:

12V 60W 5 Sound Car Warning Alarm Police Fire Siren Horn Loud PA Speaker MIC System (Standard)

5 sound siren with loud sound, universal fit for cars, vans, motorcycles and boats with 12V power supply.

Features:
5 siren sounds to meet different purposes.
Volume adjustable, can be used as a MIC.
Universal fit 12V vehicle (Car, Van, Truck, SUV, Motorcycle, Yacht, Bus, etc.).
Easy to install with the screws and a 4-hole mounting base.
Connect the red wire to the positive pole and the black wire to the negative pole


Specifications:
Color: Black
Material: ABS plastic
Voltage: DC 12V
Power: 60W
5 Siren Sounds
Sound Output: 300dB (Full Volume)
Package Size: 19 *16 * 12cm / 7.5 * 6.3 * 4.7n
Package Weight: 728g / 1.6lbs

Package List:
1 * Horn
1 * Bracket
2 * Nuts