Feature: Alunum foil antenna, covering the car reversing area, no blind side. It can be attached to the bumper of the car without drilling, it will not damage the appearance of the car, and it is easy to install. Electromagnetic induction, three-stage alarm based on detection distance, user-friendly design. The buzzer alarm is safe and reliable. The sensing range is within 2.7 meters, and obstacles can be sensed in all directions. Spezifikations:Condition: Brand NewColor: Shown as PictureMaterial: ABSWorking Voltage: DC 12 VFitment: Universal Package List:1 * Host1 * Alarm Horn1 * Sensor Antenna2 * Straps2 * Double-sided Stickers1 * Washer1 * Instruction Manual