The Transmitter Solutions 310LID22K Firefly mini garage door opener remote control from Garage Door Supply Company is compatible with all 310MHz Linear Delta 3 garage door operator receivers and remotes. It's also compatible with Linear Multi-Code systems, and is a compatible replacement for Transmitter Solutions Ladybug remotes.
This 310MHz one-button Firefly mini remote is programmed using its eight dip switches. It has a built-in LED testing/operations indicator light. To program your new Firefly remote, set the eight dip switches to match the position of the eight dip switches on the operator receiver. A 12-volt battery is included with this keychain remote.