STKR Adjustable Parking Sensor

STKR Adjustable Parking Sensor Powered by standard USB Cord or 4AA batteries (not included) Safely and accurately park your car in tight garage spaces Uses ultrasonic, range-finding technology Adjustable between 6 inches and 6 feet Mounts on walls, work benches, shelving or even the garage freezer No more garage fender benders or issues closing the garage door on the back bumper