reverse parking sensor wireless

Wherever parking or reversing,with Chainstar parking sensor installed you can drive with convenience , safety and confidence. MODEL:QZ-4041RF Specification: Wireless LED display, reverseparking sensor4rear sensitive sensors ,USA anti-fault technologyWireless connection dispaly and ECU,easy installationSystem start to work upon backing the carwarning increase in frequency when obstacles move closer within 1.5m4 led lights on two sides turn on in order cover green/yellow/redObstacles left and right indicationOperating voltage: 10 15VMax power consupmtion: 4WDigital distance:2.5m 0.3mDetectiondistance range: 1.5m 0.1m Operating temperature:-30oC +70oC Alarming volume:≥73dB Detection range: Detection range ReversingLight of displayBuzzer81 150cmNormal reversinggreenUtter be...be..be ..long interval sounds41 80cmSlowing reversingyellowUtter be...be..be ..short interval sounds0 40 cmStop reversingredUtter be. continuous sounds Bring you the best service available!------ Ms Tracy Yang I am looking forward to establish friendly business relationship with you. PLS trust us! We are professional developer and manufacturer of parking sensor for 14 years. We own ourselves factory. Tenet : Quality is first,best service for customers! Have a good cooperation, Thank you!