Features:Adopts a blind spot detection system featuring one transmitting and multi-receiving.Can operate normally under circumstances of poor visibility (such as rain, fog, night).Independent action system with no need to connect OBD and does not affect warranty.Installed on both sides of the back bumper to ensure invisibility.Four-in-one function: blind spot detection warningBSD), lane change alertLCA), rear cross traffic alertRCTA), door opening warning.After starting the vehicle, BSD system would start-up.LED light will turn on when there is vehicle in blind spot.LED light will blink and the buzzer will alarm when the turn light is on and there is vehicle in blind spot.Specification: Condition: 100% brand newMaterial: ABS + LED + glassDetection Range Accuracy: 0.1MMaximum Detection Range: 15MWarning Range: 3-15MSystem Warning Accuracy: 0.1MWarning Method: Sound & lightIP Rating: IP67Warning Time: Minimum warning reaction time 0.75secRated current: 130ma50maWorking Voltage: 12V-24VWorking Frequency: 24GHz-24.25GHZLevel Angle: Frequency emission 42*80Speed Range: -20m/s~20m/s, 72MWorking Temperature: -45C~85CStorage Temperature: -45C~85CPackage Weight: 2253g/79.5ozFitment: Fits for Ford Edge 2015Package list:1 * Blind Spot Detection System1 * Pair of Blind Spot Mirror(Blue LED) Fits for Ford Edge.