sell buzzer-only parking sensor with 4 sensors

Simple buzzer parking sensor with 4 sensors 
Model No.: CT336-4
  
Features and Functions

Measuring the distance by radar
Smaller package,cost-effective
Alarm by three step Bi-Bi sound
2 and 4 sensors are available
Full-weather design, un-affected by wind, ice, snow & rain
All kinds of sensor colors and styles are available
High quality and easy to install

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