- Upgrade Horn: This versatile car alarm is designed to automatically adapt to a voltage range of 12-48 volts, making it compatible with a wide variety of vehicles. The universal mounting brackets with slotted holes allow for easy installation in multiple locations within your car. - Loud Voice: Featuring a powerful beeping sound at 110 dB, this reversing horn ensures you will be heard, enhancing safety while reversing your vehicle. - Easy to Install: The installation process is straightforward. Simply splice a wire from the positive screw terminal to the power wires of the reverse light or to a reverse switch on the dashboard. Connect another wire to the ground (negative wire). This horn includes protective features to prevent damage in case of incorrect wiring. - Durable & Secure: Constructed with high-quality diaphragm coils and nylon materials, this reverse buzzer horn is robust and built to last. It operates effectively in temperatures ranging from -30 to 50 degrees Celsius. Additionally, its waterproof housing with epoxy-embedded electronics safeguards against dust, vibration, and moisture, ensuring long-lasting performance. Use Scenarios: 1. Ideal for drivers of larger vehicles such as trucks or vans, where additional auditory signals are crucial while reversing. 2. Perfect for fleet vehicles that require reliable and loud reversing alerts to enhance safety for both drivers and pedestrians. 3. A great addition for retrofitting older vehicles that lack modern safety features, improving overall safety during reverse maneuvers.