Backup Parking Sensor System with New LED Display & Replaceable Sensor New easy replaceable sensor Fully tinted display window, two tone color LED display, on / off switch for alarm 4 sensors system, left and right LED indicator with 2 digit display, audible alarm, replaceable sensor, easy unplugging. Brand New from GEARFLAG This is a new generation parking sensor combining with whole new design of display. The display is only 2 cm tall. With it's tinted window, it would be easily blended into your dashboard, becoming part of the vehicle. The screen will be black until your vehicle is in reverse gear. The two color LED will light up to show the distance. What's more, the system equipped with new ultrasonic radar sensors. Each sensor is replaceable by unplugging individual plug. This will prolong your system without worrying one faulty sensor will ruin the whole system. And you will not have to go through all the wiring just to replace a sensor. Simply unplug the sensor and replace a new one when in needed. Newly designed curved display screen 4 sensors system (can be spray painted into any color to match your car's color). We have black, white and silver color to choose from. Easy replaceable sensor Audible beeping sound: 3 different beeping sound to show 3 different distance zone 21mm sensors Detection range: 1.5m - 0.3m What is in the box Display 4 sensors (We have Black, White and Silver color to choose from, just mention to us when you pay. By default, we will send out black color) Main control box Hole saw for sensor installation Manual