Chamberlain PD422D PowerDrive 1/2 HP Security Plus Screw Drive Garage Door Opener 1/2-horsepower screw-type garage door opener with single-button remote Self-lubricating channel for smooth, quiet and maintenance-free operation; security light Rugged steel construction Includes opener, 2 remotes, and multi-function wall control panel 46.4-pounds; 6-year motor warranty