4 Parking Sensor Car Reverse Backup Rear Radar System Kit LED Sound Alert Alarm

4 Parking Sensor Car Reverse Backup Rear Radar System Kit LED Sound Alert AlarmFeature:Prevent from corner coliding and impacting with special design for easy operating.The vocal notification of " Bi-Bi" and digitall distance display show the characteristics, especially at night.The sever colors display for orientation of obstacles.The provoke design for voice and digital make it more harmonious and attractive.The appearance of sensor and body of vehicle is a perfect match, just like original binding accessories.The humanity design and human voice notification for distance of obstacles.Specification:Operating voltage: DC 12V±2VOperating temperature: -20℃~+70℃Operating electric current: 200mA±50mADetective range: Front: 0.3--0.8m back: 0.3--2.0mDetective angle: H>80° V>70°Attention:Keep the surface of the sensor cleanly and avoid any dusty covering. Otherwise he system may be affected.If the obstacles are smooth slop or sphere-shape object or cotton voice-proof, it may affect the system to detect.After installing, the system, under the guide, should be tested on different angle, which helps to use easily.The car reserving ad alarm system only to be a assistant for driver and do not help the driver to escape the obligation or, take any responsibility under the risk circumstance.In some case, the system fail to work if the distance between the car and obstacle are too small (around 0.3m).Package Included: 1 X Main Control Box 1 X Buzzer 2 X Double Sided Adhesive Pad 1 X Power Cable 1 X Hole Saw 4 X Parking Sensors with 2.5m Line 1 X User manual