Wide Compatibility: The 877MAX Universal Garage Door Keypad and 890MAX Garage Door Opener Remote are compatible with for , , and Garage Door Openers manufactured after 1993, and work with the Yellow Learn Button (Security+ 2.0), 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 to 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 , 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.