Maxsa 37310 Silver Single Right Garage Laser Park Park Right Single Laser Park Guide helps you navigate tight garages with ease Motion sensor detects movement up to 10 feet away Adjustable laser beam tells you where to stop to park perfectly, every time Easy installation with either included screws or double stick tape, AC powered, requires no wiring, contains a dependable backup battery Meets Class IIIA Red Laser requirements for highest safety and performance