Wide Compatibility: The 877MAX Universal Garage Door Keypad and 890MAX Garage Door Opener Remote are compatible with for Liftmaster, Chamberlain, and Sears Craftsman Garage Door Openers manufactured after 1993, and will work with the Yellow Learn Button (Security+ 2.0), Purple Learn Button (315 MHz), Red/Orange Learn Button (390 MHz Security+), and Green Learn Button (390 MHz Billion Code) Garage Door Openers. Security+)and Green Learn Button (390 MHz Billion Code) garage door openers. Does not apply to Craftsman 200.57933, 57943, 57953 series and 100 CR1150, 139.57943, 139.57953 models. WIRELESS KEYLESS SECURE ENTRY: With a secure keyless entry system, you don't need a remote or key, just a 4-digit PIN code to easily open and close your garage door. This keypad is an ideal replacement for models 877MAX, G940EV-P2, 878MAX, 377LM, 977LM, 877LM, 66LM and CMXZDCG440. Universal garage door remote, replaces 891LM, 893LM, 890MAX, 893MAX, 971LM, 371LM, 81LM, 950CD, 953D, 139.53681, 139.53879, 139.53753, 41A6127-1, HBW2028, 139.53680 series garage door opener remote CONVENIENT DESIGN: Backlit numeric keypad makes it easy to enter codes in the dark, and the flip-up protective cover protects against rain. Mini keychain garage door remote is small and lightweight, can be carried in purse, pocket or keychain for easy transportation. Please note: Keyboard labels are random, don't accept the specified; the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:plastic Package Contents: 1 x Garage Door Opener Keypad 2 x Garage Door Opener Remotes 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.