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Auto Wireless LED Car Parking Radar Monitor Detector System Reversing RadarDescriptionModelPZ300Voltage 10DCV-15DCVRated voltage 12DCVPower cost 0.5W maxResponse distance 0.3m-2.0mAlarm distance 0m-2.0mDisplay mode LED displaySensor diameter 22 mmInstallation mode drillfeatureDigital and color LED displayWireless Parking Sensor you neednt route the cableA small lightdotindicates proper functioning of the system after being activatedDigital distance display of obstacleLEDsgreenyellow and redindicate different distances as well as orientation of the obstacleDifferent alert beeping intervals indicate different distances of the obstacle4 Round Recessed SensorLeft and right obstacle indicationDigital display from 2.0 meters to 0 metersKeeping passengers safe can avoid more accidentsItem included1 radar host 4 probes 1 power cord 1 monitor 1 hole saw 1 manual.