Premium Quality: Constructed with premium ABS material, reliable and durable. Uses high quality voice coil and diaphragm material, loud alarm sound. Function: Helps to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Excellent Performance: High sensitivity for improving reverse safety. Comes with fixed bracket, easy to install and operate. Perfect Replacement: Made by professional manufacturer, original standard, stable characteristics and excellent performance.Directly replace the old or broken one. Specification: Condition: Brand New Material: ABS Color: As picture shown Power supply voltage: 12V Sound level: 105db Fitment: Universal Package List: 1 * Buzzer