Key benefits Replaces lost or worn remotes for LiftMaster, Chamberlain, and Craftsman units made since 1993 so you can regain secure, reliable control of your garage without replacing the opener. Uses Security+2.0 rolling code technology to prevent code theft and reduce radio interference, creating a code each time the remote is used. Compact key‑chain design makes it convenient to carry on your keys while providing up to 120 feet of operating range for dependable performance. What it does and why it matters Universal replacement remote compatible with multiple learnbutton colors (yellow, purple, red, orange, green), supporting three different frequency safety scrolling codes for broad compatibility with older and newer opener models. Restores remote operation quickly via simple programming; programming instructions are included so you can set it up in minutes. Durable, pocketsized housing designed for everyday use on a key chain so you always have access to your garage. Compatibility (models and part numbers) Replaces: 893MAX, 893LM, G953EVP2, 371LM, 373LM 890MAX remote control replacement Replacement for LiftMaster part number: 875042678780285503267 Replacement for Chamberlain part numbers: 850CB, 853CB, 856CB Replacement for Craftsman Part Number: 139.53779139.53879139.53779139.53759 Key features Security+2.0 rolling code: generates a code each use to block unauthorized access Learnbutton support: works with yellow, purple, red, orange, and green learn buttons Three frequency/safety code compatibility for broad opener support Operating range: up to 120 feet under typical conditions Compact key‑chain form factor for everyday carry Programming instructions included; simple step‑by‑step setup Programming tip Make sure the garage door opener is completely closed before starting remote programming to ensure correct synchronization. Practical uses a lost or broken remote so family members can regain access without reprogramming other remotes. Keep on your key chain for quick, hands‑ garage access when coming home with groceries, luggage, or children. Use as a backup remote stored in your vehicle so you always have an extra controller available. What you get A compact, Security+2.0 rolling code key‑chain garage door remote that directly replaces the listed LiftMaster, Chamberlain, and Craftsman models and part numbers, with included programming instructions for fast setup.