The 877MAX Garage Door Opener Keypad with Garage Door Opener Remote Compatible for Lift master for for manufactured after 1993, with Red/Orange Learn Button ( 390 MHz Security+) 1997-2005; with Green Learn Button (390 MHz Billion Code) 1993-1997; with Learn Button (315 MHz Security+) 2005; with Yellow Learn Button (Security + 2.0) 2006. NOTE: Does not work for 200.57933, 57943, 57953 series and 100 CR1150, 139.57943, 139.57953 models Replacement remote 891LM, 893LM, 890Max, 971LM, 973LM, 371LM, 373LM, 81LM, 950CD, 953D, 139.53681 139.53879 139.53753, 41A6127-1, HBW2028, 139.53680 Series. with Yellow Red Orange Green Learn Button garage door remote Keyless entry system that allows you to easily open and close your garage door without the need for a remote control or key, just enter your 4-digit PIN number. Replacement for models 877MAX, G940EV-P2, 878MAX, 377LM, 977LM, 877LM, 66LM, CMXZDCG440 The garage door opener keypad remote feature the Billion Code/Security+/Security+ 2.0 Rolling Code technology to minimize radio wave interference, and the Garages door Keypad Opener supports three channels to control up to three garage door opener. 2-Button key fob Garage Door Opener Remote Supports Two Channels to Control Up to Two Garages door opener. Backlit numeric keypad makes it easy to enter codes in the dark, and the flip-up protective cover protects against rain, Weight: 0.46076612758 pounds, Manufacturer: Aisuoka