Double CPU LED digital parking sensor

Wherever parking or reversing,with Chainstar parking sensor installed you can drive with convenience , safety and confidence. MODEL:QZ-4020 Specification: 1.Double CPU LED parking sensor,moon-tooth LED numeric display 2.System start to work when you reversing 3.Omnidirection detector sensor 4.Three grade warning sound Detection range: Detection range ReversingLight of displayBuzzerDigital display 81 150cmNormal reversinggreenUtter be...be..be ..long interval soundsDigital display 41 80cmSlowing reversingyellowUtter be...be..be ..short interval soundsDigital display 0 40 cmStop reversingredUtter be. continuous sounds Technical Targets: Operating voltage: 10 15V Max power consupmtion: 4W Digital distance:2.5m 0.3m Sound alarming distance: 1.5m 0.1m Operating temperature:-30oC +70oC Alarming volume:≥65dB Bring you the best service available! -------Ms Tracy Yang PLS trust us!We arelooking forward to establish friendly business relationship with you. 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!