1、High Quality Material: Backup horn is made of high quality ABS material, wear resistant, dustproof, anti vibration, high strength and durable. 2、Excellent Performance: Professional manufacturing, exquisite workmanship, waterproof, can be used in any weather, has a long service time. 3、Loud Alarm Sound: Car reversing alarm produces a powerful beeping sound that is 110‑120db, alert people around you. 4、Multifunction: Backup warning alarm has multifunction such as steering, anti theft, reversing, convenient and practical, increased safety. 5、Wide Application: Reversing horn is suitable for electric tricycle, electric scooter, universal fit for 12V‑60V, has a wide range of application.