UNIVERSAL COMPATIBILITY: Designed for , for , and for garage door openers post-1993. compatibility with Red/Orange (390 MHz Security+), Green (390 MHz Billion Code), (315 MHz Security+), and Yellow (Security+ 2.0) Learn Buttons. Not suitable for 200.57933, 57943, 57953 series and 100 CR1150, 139.57943, 139.57953 models. KEYLESS ENTRY SYSTEM: The 877MAX Garage Door Keypad facilitates secure, keyless entry with a simple 4-digit PIN. Perfect replacement for models 877MAX, G940EV-P2, 878MAX, 377LM, 977LM, 877LM, 66LM, CMXZDCG440, enhancing user convenience and security. VERSATILE REMOTE CONTROL: This universal garage door opener remote is compatible with multiple models including 891LM, 893LM, 890Max, 971LM, 973LM, 371LM, 373LM, 81LM, 950CD, 953D, and various 139.53680 series. It supports , Yellow, Red, Orange, and Green Learn Buttons for broad usability. CONVENIENT AND DESIGN: keypad features a protective flip-up cover to guard against weather. The compact remote offers portability, fitting easily in pockets or keychains. The keypad supports up to three garage doors, while the 2-button remote can control two doors, ensuring secure and reliable access. Color: Gray & Black Material: Plastic+Metal Package Contents: 1*Garage Door Opener Keypad 2*Garage Door Opener Remote 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.