Multi Code 4-Button Remote Control Transmitter 4140 Exclude-Feed Replacement Part: Ideal for replacing

Replacement Part: Ideal for replacing old or worn lock cylinders

Plugs into standard 120 volt outlet

Code Set: Dip Switches

Remove one hinge

Multi Code 4-Button Remote Control Transmitter 4140 Exclude-Feed Replacement Part: Ideal for replacingMulti Code 4 Button Remote Control 4140 Four button transmitter (remote control) for garage door opener models using Multi Code 300 Mhz receivers. Works with units using remote model 3089 and or 4120 with a gray body (if your remote is black this won't work). To determine compatibility with your garage door opener, please look for a combination of the following features: Gray external radio receiver box present on back of garage door opener powerhead