The wireless car reversing radar assist automatically detects obstacles behind the car when reversing and automatically turns on and off. Crescent-shaped LED heart rate display function, step-by-step audio + digital 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 assist automatically detects obstacles behind the car when reversing and automatically turns on and off. Crescent-shaped LED heart rate display function, step-by-step audio + digital instructions step by step. Intelligent microcomputer control, accurate digital display of obstacle distance, accurate and reliable. Sound + high-brightness LED distance message is not