Chamberlain Universal Garage Parking Aid/Assistant CLULP1, Laser Identifies Perfect Parking Spot, Works with Chamberlain, LiftMaster, Craftsman, Genie and All Other Brands of Garage Door Openers Perfect for two-car garages  up to two laser parking assists will work with each garage door opener. Simple installation, Easy to program. Class II laser product, 1mW power output. Brand Compatibility: Compatible with Chamberlain brand garage door openers. Park perfectly, every time. This high-tech solution  designed to work specifically with Chamberlain brand garage door openers  helps you maximize usable garage space by letting you know exactly where to park and when to stop. Please refer the Installation Manual before use.