buzzer type parking sensor 4 sensors + 1 speaker very popular and hot-selling

1.Buzzer without Display.                                                                                              

2.Buzzer Type.                                                                                                                 

3.4 sensors system.                                                                                                       

4.Operating voltage rating: DC12V.5.Max power: Pmax<5W.6.Operating temperature: -40°C~80°C.7.Alarm Distance: 0.1m~1.5m.                                                                                       

8.Alarm voice: >100dB.9.Ultrasonic frequency: 40KHz.

auto parking sensor system