Feature：Forward detecting sensor

Number：SHIBO090920

Classification：Buzzer parking sensor

Detailed description of the product：
1.Detect by sensors ----4 sensors are installed in the front of the car，when reversing can detect the obstacle distance.
2.show method---- 2 digits show the distance；7 module can easily display the position of the obstacle.
3.show obstacle distance----0.0 meter-1.0 meter。