Green Light Trigger GLT 2.0 Traffic Light Changer GLT 2.0Patented, specifically designed device for motorcycles, ATVs UTVs, bicycles, scooters and other smaller vehicles Legally turns red traffic lights into green ones by making your vehicle visible to inductive loop ground sensors Employs the use of two powerful neodymium magnets and a custom designed, low profile plastic injection molded chassis Mounts easily either magnetically or with the supplied nylon tie Dimensions: 2in. x 1in. x . in.