**Compatible model**: Works only for a Yellow Learn Button of manufactured after 2011 Liftmaster/Chamberlain/Sears Craftsman Garage Door Opener Security+ 2.0 myQ.Replacement for 891LM, 893LM, 950ESTD, 953ESTD, 41A7633.
**Durability Proven**: Tested over 100,000 times for reliability, with extended warranty for peace of mind.
**Certified & Supported**: FCC-certified with 24 Hours amazon technical support for assured quality and service.
**Long-lasting Power**: Equipped with a 240MAH lithium battery for extended use and fewer replacements.
**Advanced Compatibility**: Features third-gen low-power chipset for enhanced functionality and broader compatibility.
**Secure & Convenient**: Security+ 2.0 rolling code technology for anti-theft protection; fits easily on car sun visors.