Avisontek 878Max keypad front view for easy wireless garage entry.
Avisontek 878Max keypad back panel shows battery access for quick replacement.
Avisontek 878Max keypad numeric pad close-up illustrates simple PIN entry.
Avisontek 878Max keypad installation-ready image for fast DIY setup.
Avisontek 878Max keypad compatibility chart highlights LiftMaster compatibility.
Avisontek 878Max keypad security features close-up showing rolling code.
Avisontek 878Max keypad battery compartment detail for easy replacement.
Avisontek 878Max keypad backlit keys glow for night use.

Avisontek

Avisontek 878Max Wireless Universal Keypad for LiftMaster Garage Door Opener – 3 Year Warranty

High-performance tools and home improvement made for confident daily results

$23.35

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Why customers choose TaskHolt Tools

Overview

The Avisontek 878Max Wireless Universal Keypad offers a compact, code-based entry solution that simplifies garage access. It works with LiftMaster, Chamberlain, and Sears Craftsman openers that use a colored Learn Button (purple, red, orange, yellow, or green) dating back to 1993. It is not designed for Security+ 3.0 white Learn Button openers produced in 2026, nor for dip-switch models.

Compatibility and replacement options

Use cases include upgrading older remotes or adding keypad entry for guests. This keypad serves as a replacement for a broad set of popular models, including 377LM, 977LM, 66LM, 376LM, 877LM, 877MAX, 878MAX, 940EV-P2, and 940ESTD CMXZDCG440.

  • Wide compatibility with LiftMaster/Chamberlain/Sears Craftsman openers using Learn Button colors since 1993.
  • Replacement-ready for common models to reduce reliance on multiple remotes.

Security, reliability, and code quality

  • Security+ 2.0 rolling code encryption updates a new wireless code after each use.
  • Industrial-grade chip engineered for stable operation in freezing temperatures with minimal signal loss.
  • 4-digit PIN access enables secure guest or temporary access without a remote.

Power, setup, and everyday use

Powered by a single 9V battery, the keypad operates wirelessly with no wiring or professional installation required. Backlit keys improve night visibility, and temporary PINs offer controlled access when needed.

Notes and certification

Note: After password entry, the one-touch close function activates for 15 seconds; if not used, you’ll need to re-enter. The device is FCC certified and backed by a 3-year warranty for lasting peace of mind.

FAQ

Q: What garage door openers is the 878Max keypad compatible with?

A: Works with LiftMaster, Chamberlain, and Sears Craftsman openers that use a Learn Button in purple, red, orange, yellow, or green since 1993.

Q: Does installation require wiring or a professional?

A: No wiring needed. It runs on a single 9V battery and offers 4-digit PINs, backlit keypad, and optional temporary PINs for guests.

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