Genie Safe-T-Beam Garage Door Safety Beams Set &ndash; Replacement Kit For Genie Garage Door Openers REPLACEMENT KIT: Replaces broken or faulty safety beams in your Genie garage door openers Safe-T Beam system. WORKS WITH MANY GENIE OPENERS: Compatible with Genie (only) garage door openers manufactured since 1993 that utilize required safety beams. KEEPS FAMILY AND PETS SAFE: Places an invisible infrared beam across the door opening and reverses door automatically if an object passes through the LED beam of light. SELF-DIAGNOSTIC: Alerts you of any malfunction in installation or operation, as an additional safety measure. EASY INSTALLATION: Replacement kit is easy to install, with mounting brackets and hardware included.