The Craftsman ½ HP Garage Door Opener is powerful enough to lift most residential garage doors up to 7’ high and is easy to install and maintain with a simple user interface and quick install rail system. With many safety, security, and convenience features built in, this chain drive opener will provide years of dependable performance. 
The Craftsman ½ HP 54985 also offers convenient features such as a Tri-Frequency Radio System and Anti-Burglary Coding Technology providing convenient and secure operation of your garage door.