Reverse Assistance Car Parking Sensor Kit

Features:  Humanity design and English voice notification for distance of obstacle 22mm 4 sensors backup parking system, double CPU and advanced chip for enhanced coverage and detection Green, yellow and red 3 color, 7 segment LED lights indicate obstacle distance Bi, Bi Bi. Hum alarm prompts step by step, the closer the obstacles, the louder and faster the sound alert Detective range: 30cm to 250cm, cm level display precision, accurately display obstacle distance The appearance of sensor and body of vehicle is a perfect match, just like original binding accessories Abnormal state sensor self-checking and prompt function, to avoid the back-draft collision caused by sensor damage Anti-freeze and rain proof, easy to install with hole saw Operating voltage: DC12V Working current: 50 - 150mA Operating temperature: -40 - 80 Deg.C Ultrasonic frequency: 40KHz + / - 1KHz 5m length cable, convenient to use  Detection Mode: Radar Signal Detection Special features: Led Display  Package weight: