[COMPATIBILITY] RB741 FM135 remote control compatible with Mighty Mule and GTO gate openers, such as 350, 500, 502, MM260, MM271, MM360, MM371W, MM372W, MM560, MM562, MM571W, MM572W, MM600, MM660, etc. [MORE CONVENIENT] Remote control with improved signal range, works up to 100 ft. Open the garage door remotely from inside the car without needing to get out. [EASY TO PROGRAM] Easy to operate and program. Follow the steps to complete your code settings. Safe, reliable, compact, lightweight, and easy to carry. [COMPLETE SET] Includes 3 RB741 FM135 remote controls with built-in batteries and a keyring hole for easy attachment to keys. Color: Black Material: Plastic Package Contents: 3 x Gate Opener Remote Note: The package includes only the items listed. Other products are not included. Note: Light reflection and different display settings may cause slight color variations. Measurement error allowed is +/- 1-3 cm.