Sears Craftsman 139.53609 Remote is Equivalent to the 61LM Transmitter | ASP Doors
Liftmaster 61LM Digital Single-Button Garage Door Opener Remote Control - 390MHz (Replaced by: LiftMaster 811LM Encrypted DIP with Security+ 2.0 Technology Remote Control) - 365 Garage Door Parts Professional
LiftMaster 61LM Garage Door Remote - Garage Door Remote Controls - Amazon.com
LiftMaster 61LM Compatible 390 MHz Single Button Mini Key Chain Garage Door Opener Remote