Description:

Compatibility: GSTB-R STB-BL Replacement fit for genie/overheadl garage door openers manufactured after 1993. Upgraded Design: The safety sensors beam eyes emits an invisible beam of light on the inside of the garage door, whenever there is an obstacle, the garage door automatically reverses before causing any damage to prevent accidents. Installation Tip: 1) they must be placed on the opposite side of the door opening. 2) at the right height. 3)clear line of sight between them. (Max Range 30 feet). Be sure power is NOT connected to the garage door opener BEFORE installing the safety reversing sensor. WHAT YOU WILL GETWhat you b u y is not only a product, but also a whole set of our after-sales service. Any questions, just one contact, we will always be there for you.