NEW Are you a confident driver in parking and reversing， maybe yes， maybe no. Anyway， this parking sensor system helps take the risk out of reversing and parking. Please Note: We recommend that this item is installed by a specially trained technician， and we will not accept liability for any damages that may be caused by the improper installation of this accessory.Specifications:Features:- LED display which shows distance to obstacles with 100% accuracy.- It is equipped with a LED display and 4 parking sensors.- Alert you by audible Bi-Bi.- Your car can be protected from bumps and expensive collisions.- This parking sensor system helps take the risk out of reversing and parking.- Convenient and easy to install.- Voice engaged or shut at your will.Display: LED screenNumber of sensor: 4Detecting Distance: 0.3-2.0mAlert:- Beeping: BI BI BI- Buzzer Volume: About 80db- Ultrasonic Frequency: 40KHzMax Consumption: 2WOperating Voltage: 10.8-15VRated Current: 50mA-180mAOperating Temperature: -40 - 80 centigrade degree5 Optional Colors of Sensor: Red / White / Gray / Silver / Black (You can choose one certain color from these 5 colors)Color: BlackProduct Size(L x W x H): 90 x 60 x 20mmProduct Weight: 49gPackage Size(L x W x H): 168 x 270 x 45mmPackage Weight: 360gAfter Sales Service: 1 Year WarrantyPackage Include:1 x LED display4 x Parking Sensors1 x Control Box1 x Power Cable1 x English Manualhttp://contestimg.wish.com/api/image/rating?name=b426702c7b8911e68b9c065f903a9ac5.jpg&w=1000&h=1000&m=0&t=0