Replacement 891LM Garage Door Remote — Compatible with LiftMaster and Chamberlain (Yellow Learn Button / Security+2.0) Key benefits Direct replacement for lost or damaged remotes that use Security+2.0 (yellow Learn button). Restores full remote control function without needing a opener unit. Broad multifrequency support (310 / 315 / 390 MHz) increases chance of compatibility across 2011–present Chamberlain and LiftMaster models that use the yellow Learn button. Simple, fast programming so you can get the remote working in minutes — no special tools required. What this remote does Functions as a standard garage door opener remote for LiftMaster and Chamberlain systems that use the yellow Learn button (Security+2.0). Transmits on supported frequencies 310 MHz, 315 MHz, and 390 MHz to match the opener's receiver. Replaces modern fixedcode and rollingcode remotes that rely on the opener's learn button; not compatible with older DIPswitch systems. Compatibility and important requirements Works only with Chamberlain / LiftMaster garage door openers that have a Yellow Learn Button (Security+2.0). These are typically models produced from 2011 to present. Confirm the opener's Learn button color is yellow before . If the opener has a different colored Learn button (or uses DIP switches), this remote will not work. Compatible remote model references: 891LM, 893LM, 950ESTD, 953ESTD, and similar Chamberlain/LiftMaster remotes that use the yellow Learn button and supported frequencies. Programming and performance tips For reliable programming, stand close to the garage door opener unit when pairing the remote. Make sure the garage door is fully closed before starting the programming sequence; an open door can prevent successful pairing. Follow the garage opener's Learn/Program instructions to add the remote; the remote uses the opener's Security+2.0 learn procedure. Practical use scenarios a lost or broken remote so family members can regain convenient access to the garage without replacing the whole opener. Keep an extra remote in a second vehicle or hand it to a caregiver, neighbor, or rental guest for temporary access. Swap in a working remote after battery or button damage to restore remote control functionality quickly. What this listing does and does not include This product is a likeforlike replacement remote intended for LiftMaster / Chamberlain systems with a yellow Learn button (Security+2.0). It does not work with openers that use DIPswitch remotes or nonyellow Learn button systems. Confirm your opener's Learn button color and year range (2011–present) before . If you are unsure whether your opener is compatible, check the Learn button color on your garage door opener motor head — it must be yellow for this 891LM remote to work.