The wireless car reversing radar aid automatically detects obstacles behind the car when reversing and automatically turns on and off. Crescent-shaped LED step-by-step heart rate display function, audio + digital step-by-step instructions. Intelligent microcomputer control, accurate digital display of obstacle distance, accurate and reliable. Sound + high-brightness LED distance message is not affected by the environment, especially on rainy days and nights. The car reversing sensor features embedded installation, multi-color configuration, the sensor is refined and compact and easy to install. The wireless car reversing radar aid automatically detects obstacles behind the car when reversing and automatically turns on and off. Crescent-shaped LED step-by-step heart rate display function, audio + digital step-by-step instructions step. Intelligent microcomputer control, accurate digital display of obstacle distance, accurate and reliable. Sound + high-brightness LED distance message is not affected by the environment, especially on rainy days and nights. The car reversing sensor features embedded installation, multi-color configuration, the sensor is refined and compact, and easy to install. 1. The shell is novel and fashionable, made of new ABS material. 2. Dual CPU microcomputer intelligent control, derived from military technology, accurate and reliable. 3. SMD motherboard, beautiful and neat, the error rate is less than 0.3%. 4. Using imported chips, the speed is faster and more accurate. 5. Vibration elimination technology to reduce the false alarm rate. Probe (size: 22*20 mm) 1. 22 mm concave design, no water accumulation, can avoid false alarms when ultrasonic waves reach the ground. 2. Crystal ceramic material, more durable. 3. Anti-interference cable, not disturbed by the original car signal. 4. Beer head design, easier to connect, long service life. 5. Optional waterproof cable, easy to install. 6. The probe adopts embedded installation, multi-color configuration. The probe is exquisite and compact. The parking sensor is composed of sensors, host, display, voice system, etc. When the car is reversing, the reversing radar is automatically activated, the sensor detects the distance between the car and the obstacle and displays the distance on the screen. Information, easy reversing.