The Genie GSTB-BX Safe T-Beam System Safety Sensors Set is a reliable and essential component for garage door openers. This set includes one black plastic safety beam with a corded power source and a 1-year manufacturer warranty. It is compatible with Genie garage door operators and can be integrated with Amazon Alexa for added convenience. Designed by Genie, a trusted brand in the industry, this safety sensor set provides peace of mind and security for your garage door operation.