Intelligent Parking Assistant System with 4 MID Grey Ultrasonic Rear Sensors Parking sensors are designed to alert the driver to unseen obstacles during parking. The package includes 4 sensors which need to be wired to a control box, whilst reversing the sensors will send signals to the control box wherever an object comes within the sensor's range, the control box in turn relays this information to the remote display at the front of the vehicle (monitor must be powered via cigarette lighter). With the digital display you can see the distance between the sensors and the object and the audible warning provides clear guidance whilst your attention is not on the display. Features: 4 ultrasonic sensors 3.5 inch digital LED display Sound indicator High-tech processing: wireless between the main unit and the display Technical data: Voltage: 9DCV-15DCV Rated Voltage: 12DCV Respond Distance: 0.4m-2m Alarm Distance: 0m-2m Sensor Diameter: 22mm
