What's in the box:

Single Trumpet 12V 150db Electric Air Horn 18 Inches Chrome Zinc with Motor Harness Compressor for Any 12V Vehicles Trucks Lorrys Trains Boats Cars (Standard)

Features:
Single trumpet, 150dB super loud, clear and striking, can't be ignored, a powerful warning.
With a polished shiny chrome horn, they cast a striking appearance on any vehicle mounted.
Easy to install with necessary hardware, simple and convenient.
Made of premium quality material, ensure stability and durable for a long time use.
It can be mounted on application that has a 12V DC power available, like Car, Truck, SUV, Motorcycle, Yacht, Boat, off Road Vehicle, Busses etc.

Specification:
Voltage: 12V
Current: 3.0A
Sound Level: 150dB
Color: Black
Package Size: 45*11*10cm
Package Weight: 1100g

Package List:
1 * Single Trumpet
1 Set * Hardwares ( as the picture show )