1.Alarm horn are made of high quality stainless steel power and ground connection terminal,housing with epoxy embedded electronics.very sturdy and durable. 

2.105 DB backup alarm beeper is made for heavy-duty and commercial use,fits for all DC 12-24V trucks van freight heavy vehicles.  

3.Warning horn can be protective when connect the wire inversely or wrong.  4.Produces a powerful beeping sound that is 105 decibel,it will be louder in practical use.

5.Universal mounting bracket with slotted holes.It can be mounted many place in your vehicle.

back up alarm   Description:  Backup warning horn conforms to SAE J994 safety standards and have 12 months maintenance,mainly used for car,excavators,construction machinery,special vehicles,parking and a variety of large vehicles container vehicles reminder.  Add peace of mind to your vehicle,Avoid dangerous situations and alert people around you that you are reversing.Wiring will be required to the reverse bulb wire. 

mainly used for car,excavators,construction machinery,special vehicles,parking and a variety of large vehicles container vehicles reminder.  Add peace of mind to your vehicle,Avoid dangerous situations and alert people around you that you are reversing.Wiring will be required to the reverse bulb wire. 

Specification: 

Case Material:Epoxy Embedded  

Voltage:12-24v   

Color: Black   

Rated Current:300mA   

Power Output:15W 

Volume:105DB