IMPORTANT NOTICE: We provide various sensors colors for your choice, in your purchase, please tell us the color to the sensors If you need some special colours for the sensors, please send us the NAME OF YOUR CHOSEN COLOURS while confirming order, then we'll try to select the closest colours for you since we have more than 60 different colours ready. Otherwise you can choose white sensors, and paint them to the matching finish of your car1:Front Sensor Detection Range:0.98~3.28 ft Rear Sensor Detection Range: 0.98~7.54 ft2:Digital LCD display (number & light). Help to provide increased safety for paengers, pedestrians and family members who happen to be around the moving vehicle Specifications:1:Rate voltage: 12V DC2:Rate current: 100mA - 300mA3:Ultrasonic frequency: 40KHz4:Control moudle working temperature: -30 - 80 celcius degree5:Display working temperature: -20 - 70 celcius degree6:Sensor diameter: 22mm7:Installation mode: DrillingSound: Heart beat type, more recent alarm more rapidl Product List: 1: Display X1 2: Control unit X1 3: Sensor X8 4: Drill X1 5: Manual X1 6: Sticker X1 7: Power cord X1 8: Sensor cable extension line X4 Product List: 1: Display X1 2: Control unit X1 3: Sensor X8 4: Drill X1 5: Manual X1 6: Sticker X1 7: Power cord X1 4: Sensor cable extension line X4