Navinio Car Reverse Backup Radar System Parking Sensor Kit Car Vehicle Reversing Radar 4 Sensors Alarm Buzzer Reminder Auto Rear Alert LED Display for Safe Driving Monitor System -Grey, 4 Sensor-

Specifications: LED display show parking distance, with inner sound indicate distance as well. You get 4 sensors and a display along with enough cable . Very easy to install and it comes with everything needed You can also expand this system to the front of your car. Pick the 8 sensors option and then you will have your entire car protected by sensors. Technical parameters: -Rated Current: 20-200mA -Power Input: 9-16V DC -Working temperature: -30-+70 -Display working temperature: -20-+60 -Bi Bi Bi Alarm voice: >80dB -Ultrasonic Frequency: 40KHz -Sensor detection range: 0cm-2.5m -Display range: 30cm-2.5m Package included: -1 x Main Control Box -1 x LED Display -1 x Power Cable -1 x Hole Saw -1 x Double Sided Adhesive Pad -1 x User manual -4 x Parking Sensors with 2.5m Line