Car Video Parking Sensor Reverse Backup Radar Assistance With 4 Sensors, Parktronic Radar Detector Sensor Estacionamento For DVD Features & Functions : 1.All kinds of TFT-LCD displays available 2.Display the distance and image on the screen 3.Automaticallydisplay while reversing 4..Alarmby three-step Bibi sound 5.Automatically work when reversing 6.All kinds of TFT-LCD displays , include DVD . Rear view mirror monitor are available 7.Display the distance , direction and image of obstacles on the screen 8.Alarm by four-step Bibi sound or human voice alarm . 9.Any shape camera with RCA connector is available 10.Detect distance is 0-2M Volume: 65DBParameter: voltage 9DCV—15DCV Rated voltage 12DCV Power cost Max 1.5W Respond distance 0.4m—2.0m Alarm distance 0m—2.0m Display mode any type TFT display For example:rearview mirror, DVD ect. Sensor diameter 22mm Install mode drill Sensor angle X.Y .60C work temperature -30C---+80C Alarm type BIBI alarm volume 65dB this is the sensors for choose: Package: Note: it does not included camera. pls well know.if you need camera together,pls contact me directly. Many 5 star