635LM Sears Craftsman LiftMaster Chamberlain Security+ Universal Garage Door Opener Plug-In Receiver

Product Description LiftMaster Security+ technology, replaces pre-1983 receivers with discontinued transmitters. Easy to install, simply use your existing wall buttons’ wires and plug into a wall outlet, that’s it! The code between the remote and receiver changes with each use.

• Compatible with all LiftMaster® Security+® remote controls
• Plugs into standard polarized 120V, 60Hz AC outlet
• Includes 2-conductor bell wire
• Hard wires directly to any garage door opener strip
• Accepts up to 8 Security+® remote control codes, and accepts one 976/977LM keypad