The GM3T-R is a 3-button garage door opener remote compatible with Genie systems manufactured since 1993. It works with both legacy 9/12 DIP switch fixed code technology and modern Intellicode rolling code systems, as well as Genie gate operators. The remote features Intellicode Security Technology, which automatically changes the access code with each activation to prevent unauthorized entry. Auto-Seek Dual Frequency technology automatically selects between 315 or 390 MHz to minimize interference and optimize range and performance. Program the GM3T-R to control up to 3 separate Genie garage door openers—identical or different models—with straightforward setup. Compatible with Intellicode Technology, 9/12 DIP switches, Gated Community Receivers, and fixed code trinary technology. Includes battery and visor clip. Detailed illustrated installation and programming instructions provided.