Steelmate Blind Spot Detector. Steel Mate Universal Car Blind Spot Detection System, Detects more than one obstacle or vehicle at the same time. When drivers overtakes other vehicles, or changes lane, it will caution if there is an approaching vehicle.... The system will prompt if the distance between sensors and vehicle is less than 5 meters only if the relative speed between vehicle and others and moving object is between 5km/h and 40km/h. When vehicle hazard warning lights are switched on, the blind spot warning will be turned on automatically. See More
