Replacement for Genie GSTB-R (STB-BL) Safety Beam Replacement Kit, Includes Sender & Receiver(GSTB-R) Two Sensors Fit for Genie/Overhead Garage Door Opener from 1993 to Now by BLUE ELF

>>> Type: Garage Door Opener Sensor >> 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. >> Package Includes: 1pc Sending sensor(with a red LED), 1pc Receiving sensor (with a green LED), 4pcs Wingnut, 4pcs round head bolt >> Fixes the following situations: 1.There are no obstacles, but the garage door stops reversing. 2.The green light is on but the yellow light is off please replace the sensor. 3.In cold weather and strong ultraviolet rays, the garage door stops reversing. Not Genuine! Aftermarket Replacement Offered by BLUE ELF, BRAND ASSURANCE!

• 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
• Tip: Please carefully read the page description and reference images before purchasing to confirm if this product is what you need
• 【WHAT YOU WILL GET】What 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