Description: 【High Quality Material】This 12-36V Cars Vehicles Trucks Buzzer is made of durable pp, with sturdy iron bracket, ensuring its longevity and reliability in different weather conditions. 【Compact Size】Universal circular backup alert beeper, safe and compact size. With dimensions of 6cmx7.3cm, this does not take up excessive space on the vehicle, while providing a powerful auditory warning signal that is very alerting, even in noisy environments. 【Loud and Clear Alerting】Emits a loud beep sound to warn pedestrians and nearby vehicles effectively when the vehicle is backing up to prevent accidents. 【Easy Installation】Comes with a simple, user-friendly design that allows for quick and simple installation on any compatible vehicle, with no special tools or professional assistance required. 【Wide Application】Reversing Horn is suitable for a variety of vehicles including forklifts, trucks, and engineering vehicles operating within a voltage range of 12-36V. Specification: Type: car reversing horn Sound: Beep Voltage: 12V-36V Material: PP Bracket Material: Iron Size Chart: 6cmx7.3cm/2.36inchx2.87inch Package Includes: 1 Piece Reverse Warning Backup Alarm Note: Please allow slightly errors due to manual measurement and different monitors.