This product is compatible with Genie screw drive units, ensuring seamless integration with your existing system. It replaces part numbers 20113R, 19795S, and 22785R, providing a reliable alternative for your opener needs. Designed to work with screw and track drive openers that utilize a standard rail, it enhances versatility in application. Ideal for use with the latest magnetic limits for excelerator screw drives, it improves functionality and performance. The unit is easy to install, making it a convenient choice for quick replacements and repairs. With durable metal construction, this product promises longevity and dependable operation in various conditions, making it an essential component for your garage door system. Color: As Shown Material: Metal Specification: 1 piece / 2 pieces Package Contents: 1 set Garage Door Opener Limit Switch / 1 set Garage Door Opener Limit Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.