4 Probe - sensitive probe digital display easy to install prevent rubbing prevent collision. Image sound dual prompt no false positives waterproof Anti high temperature and low temperature The probe is flush-mounted multi-color configuration sensor compact easy to installmake reversing more safer.</br>LED digital display - is placed inside the horn human voice loud and clear strong anti-interference ability no broken tone helping drivers to understand the obstacle information sound + LED high brightness from the tips without environmental impact rainy night utmost advantage easily reversing and parkingeasily detect the distance between the car and obstacle.</br>Double CPU - good workmanship fast responseensure durability and longevity automatic detection of obstacles when reversing the car automatically turn on switch microcomputer intelligent control precision digital display obstacle distance from military technology accurate and reliable</br>Anti-electromagnetic interference - patented technology international certification of quality assurance - No effect on the original electronic systems.The radar sytem is designed with protective circuits and high quality components to prevent the product from overheating or overloading.</br>High Technology - The Auto Safety car reverse radar system has an adaptive environment technology