37221R (GSTB-BX) Genie Safe-T Beam Sensor Kit.
The Genie 37220R (GSTB-BX) garage door opener Safe-T Beam sensor kit from Garage Door Supply Company is compatible with all Genie residential garage door openers with existing safety sensors. Infrared beams on garage door operator safety sensors will stop and reverse the downward movement of a garage door when an object or person is "sensed" in the path of the descending door. Genie's authorized replacement safety sensor kit includes infrared eyes, mounting brackets and other installation hardware. Product Highlights: