New, smaller sensors from previous generations; Suitable for most cars & smaller SUVs; Sensors can be mounted behind plastic bumpers only; Sensors can be painted; Audible alert with volume adjustment; Main control unit has sensitivity adjustment that allows the system to be utilized with bike racks, tow hitches or spare tire racks & not interfere with system operation; Compatible with optional, add-on PARK-LED display; Includes paint tray, brackets, module & sensors;