With the LiftMaster 877MAX, you can open or close your garage door without using a remote control or key. The LiftMaster wireless keyless entry system can open the door using a private 4-digit code you program directly into the unit. You can also program it with temporary access codes for visitors or delivery and service personnel so they can gain access to your garage without having to give them your personal code.
How do you program the LiftMaster 877 max wireless keyless entry system?
Programming the LiftMaster 877max is an easy process and it does not need a professional to program. First, locate the learn button on the garage door opener. Then press and hold the * and # button until the lights on the keypad stop blinking. Enter a 4-digit PIN of your choice and when done press #. Press and release the enter button the number of times that corresponds to the garage door opener type ( Press once for Security+ 2.0 (Yellow learn button), twice for 315 MHz Security+ (Purple learn button), 3 times for 390MHz Security+ (Red/Orange learn button), 4 times for 390 MHz Billion code (Green lean button). Than exit the programming mode by pressing 0 and press and release the learn button on the garage door opener.
What kind of batteries does it use. And how do you install them.
The 877MAX uses a 9V battery and can be changed by removing the bottom cover.