Abstract: The present invention provides a collision prevention automatic warning system, constructed to comprise a control circuit embracing a controller, a plurality of sensors, a light-emitter, a sound-emitter, an electric battery power supply, and a standby battery supply, therewith the system is installed in a vehicle. When a vehicle collision occurs, the sensor detects a signal and transmits same to the controller, whereupon the controller notifies the light-emitter and the sound-emitter, which thereupon emit a bright light and a loud sound respectively, and can also activate an automatic police reporting system, thereby promptly warning vehicles coming up from rear to pay heed to the collision and thus preclude further collisions from occurring, and having functionality to transmit a report to the police which can accelerate rescue time.

Abstract: The present invention provides a collision prevention automatic warning system, constructed to comprise a control circuit embracing a controller, a plurality of sensors, a light-emitter, a sound-emitter, an electric battery power supply, and a standby battery supply, therewith the system is installed in a vehicle. When a vehicle collision occurs, the sensor detects a signal and transmits same to the controller, whereupon the controller notifies the light-emitter and the sound-emitter, which thereupon emit a bright light and a loud sound respectively, and can also activate an automatic police reporting system, thereby promptly warning vehicles coming up from rear to pay heed to the collision and thus preclude further collisions from occurring, and having functionality to transmit a report to the police which can accelerate rescue time.