Craftsman 139.53753 Sears Garage Door Remote - for Operators with a PURPLE Program/Learn Button 315 MHz Compatible with Operators with a PURPLE Square Smart Button 315 MHz Works with Chamberlain Operators with PURPLE Antenna Wire 315 MHz Also Compatible with CRAFTSMAN Openers with a 315 on the Remote Control Security + 3-Function, Transmits a New Security Code Every Time Remote is Pushed 100-Billion Codes, Opens One, Two, or Three Garage Doors, Remote has BLACK Buttons