Avisontek Wireless Universal Keypad for LiftMaster Openers – 878MAX / 893MAX | 3-Year Warranty

Overview

Meet Avisontek’s Wireless Universal Keypad Remote, a compact entry solution designed for LiftMaster ecosystems. This keypad delivers a simple, battery-powered setup that avoids the need for new wiring, making it a convenient upgrade for homes with compatible openers. Its durable build is built to perform in everyday garage conditions, from busy mornings to after-work touch-ups, while keeping the focus on quick, effortless access when hands are full.

Whether you’re arriving with bags in hand or managing a shared garage, this keypad provides a practical alternative to remotes. It emphasizes straightforward entry, especially when you want to minimize clutter or coordinate access for guests or family members without handing out remotes.

Compatibility and Replacement

The keypad is designed for LiftMaster/Chamberlain/Sears Craftsman openers that use the traditional Learn Button colors (purple, red, orange, yellow, green) since 1993. It also serves as a replacement for a broad range of models, including 377LM, 977LM, 66LM, 376LM, 877LM, 877MAX, 878MAX, 940EV-P2, 940ESTD, and CMXZDCG440. If your opener falls within these families, this keypad can be a compatible upgrade that preserves your existing control workflow.

Security and Code Authority

• Security+ 2.0 rolling code encrypts and changes codes after each use, helping to deter cloning or interception.
• The keypad uses an industrial-grade chip designed to sustain reliable operation in cold environments, reducing signal glitches or dropouts in harsh conditions.

Convenience You Can Use

• 4-digit PIN access eliminates the need for a remote, with backlit keys for night use and visibility in dim garages.
• Temporary PINs can be issued for guests, service personnel, or shared access without distributing remotes.

Setup, Power, and Warranty

• Operates wirelessly on a single 9V battery, enabling quick DIY installation with no extra wiring.
• FCC certified and backed by a 3-year warranty, offering long-term peace of mind for daily use.
• Note: After entering the password, you must press the close action within 15 seconds; if not, you’ll need to re-enter.

Real-world use often centers on quick, reliable entry when hands are full, a flexible guest-access workflow, and a straightforward upgrade path for existing LiftMaster setups. This keypad aims to provide a practical, non-intrusive enhancement to your garage access routine, without promising guarantees—only possibilities based on compatibility and usage patterns.