Places an invisible infrared beam across the door opening and reverses door automatically if an object passes through the infrared beam of light; Easy-to-install replacement kit; Compatible with Genie(R)-only garage door openers manufactured since 1993 that utilize required safety beams; Diagnostic lights on top of beams help ensure proper operation; Durable, rounded design for reliable performance & helps prevent accidentally knocking them out of alignment; Equivalent to Models 37334R and 37220R; Includes mounting brackets & hardware; does not include bell wire;
Length: 9.00"
Width: 7.00"
Height: 1.75"
