2PCS Backup Alarm for Truck 110DB 12-48V Beeper Warning Alarm Buzzer Siren Waterproof horn with Super Loud Beeper Tone for Trucks,forklifts,Lorry Heavy Vehicles

☄【Upgrade Horn 】The alarm for a car can automatically adjust to a voltage range of 12-48 volt vehicles. Universal Mounting Brackets with Slotted Holes, can be Mounted in Many Places in your Vehicle.

☄【Loud Voice】This car reversing horn produces a Powerful Beeping Sound that is 110 DB, it will be Louder in Practical use.

☄【Easy to Install】Splice a wire from the positive screw terminal to the power wires of the reverse light or a reverse switch installed on the dashboard, then splice a wire to the ground(Negative wire). It can be Protective when Connect the Wire Inversely or Wrong.

☄【Durable & Secure】 The reverse buzzer horn uses high-quality diaphragm coils and nylon materials, sturdy and durable, It can work in a variety of -30 to 50（℃） environments, Waterproof housing with epoxy embedded electronics for protection against dust, vibration, moisture, ensures a long time of using.

☄【Widely Used 】The beeper horn for trucks is mainly used for reversing reminders of various vehicles; It is suitable for excavators, construction machinery, special vehicles, parking lots and various large vehicles. If you have any questions, you can send us an email at any time.