Avisontek 877Max Universal Keypad for LiftMaster – Wireless Keyless Entry, FCC Certified, 3-Year Warranty

Elevate garage access with the Avisontek 877Max

The Avisontek 877Max Universal Keypad brings keyless convenience to LiftMaster, Chamberlain, and Craftsman openers that use a Learn Button in purple, red, orange, yellow, or green since 1993. No wiring is required—install on a nearby wall and pair with your opener in minutes for streamlined entry that fits busy lifestyles.

Key advantages at a glance

• Rolling code encryption updates the code after every entry, helping keep access discreet and less prone to interception.
• Backlit, tactile 4-digit PINs enable easy use at night or in low light conditions.
• Temporary PINs let you grant secure access to guests without sharing remotes.
• Wireless operation powered by a single 9V battery—no extra wiring or professional installation needed.
• Industrial-grade circuitry tested for extreme cold, delivering reliable performance in freezing temperatures.
• FCC certified and backed by a 3-year warranty for added confidence in daily use.

Real-world use and setup

Position the keypad where you can reach it as you pull into the driveway. The device offers a quick, flexible entry method for family members, roommates, or service guests, with night-friendly backlit keys for nighttime access and the convenience of PIN-based entries without remotes.

Compatibility and replacement options

Designed as a practical replacement for several classic models, including 377LM, 977LM, 66LM, 376LM, 877LM, 877MAX, 878MAX, 940EV-P2, and 940ESTD CMXZDCG440. Note: it does not support Security+ 3.0 White Learn Button openers produced in 2026 or Dip Switch openers.

What to expect during installation

A quick, do-it-yourself setup: insert a fresh 9V battery, mount the keypad, and program convenient PINs. The result is a compact, reliable entry solution that reduces clutter and simplifies daily routines.