Liftmaster 41a5034 Garage Door Opener Safety Beam Kit Newer chamberlain manufactured garage openers including sears craftsman, chamberlain, LIFTMASTER Newer chamberlain openers that currently have black brackets that clip onto the garage door track Chamberlain openers that currently have 1 sensor with a green light & sensor with a yellow light Compatible brackets: 41a5266-1(not included with 41a5034)