893MAX Universal Garage Door Opener Remote — 2‑Button Keychain Replacement Key benefits Direct replacement for a wide range of LiftMaster/Chamberlain/other compatible remotes — saves time and cost versus buying a opener. Enhanced security: uses Billion Code / Security+ / Security+ 2.0 rolling‑code technology to reduce radio interference and prevent code theft. Compact keychain form factor keeps your remote with your keys for convenient daily use. What this remote does Replaces original remotes including: 891LM, 893LM, 890Max, 971LM, 973LM, 371LM, 373LM, 81LM, 950CD, 953D. Also compatible with part numbers: 139.53681, 139.53879, 139.53753, 41A61271. Two programmable buttons for controlling up to two functions or doors (as supported by your opener). Why customers choose this remote Broad compatibility: fits many common opener models so you can restore access quickly without replacing your opener. Improved security and reliability thanks to modern rolling‑code encryption, which minimizes interference and unauthorized access. Portable, keychain design makes it easy to carry and use every day. Practical use scenarios a lost or damaged factory remote so you can open and close your garage again without changing the opener. Add an extra remote for a family member, caregiver, or second vehicle so everyone has easy access. Control a second door or auxiliary function (light or secondary opener) using the two buttons when supported by your system. What to expect Universal 2‑button garage door remote compatible with the models and part numbers listed above. Compact, lightweight keychain design for everyday carry. Uses rolling‑code security standards (Billion Code / Security+ / Security+ 2.0) to help protect your garage access. Compatibility reminder Confirm your existing remote's model or part number matches one of the listed replacements before to ensure compatibility.