anti-collision driving aid device combining ultrasonic technology and microprocessor. audible signals or/and visual readout. all-weather working system. providing solution for various applications. AUDIBLE INDICATION with surface mounted sensor system is cost-saving and installation-easy type; WATERPROOF ECU with screwed-on sensors is ideal for trucks and buses; EMBEDDED SENSOR with vehicle-matching color giving a perfect OEM looking; WIRELESS DISPLAY can save lots of labor work in installation especially for long vehicles; Parking sensor combining VIDEO MONITORING SYSTEM alerts drivers with full information of road conditions; ELECTROMAGNETIC PARKING SENSOR does not change appearance of the bumper while providing total protection to the back of the vehicle without any blind spots close to the bumper.