Easy to ProgrammingGet set up in minutes with our straightforward programming process. The GT90-1 remote comes with a detailed instruction manual - just follow the steps to sync with your opener. Pro tip: First verify whether your Genie opener uses 9 or 12-position DIP switches. If the remote doesn't work initially, try flipping the switch positions.Widely Compatible ReplacementThis garage door opener remote features 9 or 12-position DIP switches, offering perfect compatibility with Genie and Overhead Door systems. It serves as an ideal replacement for GT90, GT90-2, GT90-3, AT90, MAT90, CT90, LD12, AT290, GPT90-1, LDT90, and similar models.Package and ServiceThis remote replacement comes with batteries, visor clip, user manual included. It is fully installed and is pre-tested to ensure quality and superb performance functionality. (If you have any further questions or problems during the programming process, you can contact us at any time, we will be the first time to provide you with a detailed answer until you solve the problem.)Advanced SecurityRest easy with advanced RF technology and a unique encryption design that prevents unauthorized access.Each device can manually switch passwords after each cycle, making it exceptionally difficult for intruders to gain access. The GT90-1 remote operates effectively from over 104 feet away, ensuring reliable and secure entry into your garage without delays.Please NoteThe GT90-1 Garage Door Remote Control Compatible only with 2-state dip switches (9 or 12). Not compatible with 3-state dip switches (+, 0, -). Please verify your dip switch before ordering. Accessories are compatible spares (non-original) and brand names are used for compatibility demonstration only.