If you need a replacement remote for your Linear or Moore-O-Matic garage door opener, or simply want to have an extra controller, the Skylink LD-310 MultiLink Mini Keychain Garage Door Remote is the answer. This MultiLink garage door remote control is designed to work with 310 MHz Linear or Moore-O-Matic / Multi-Code garage door openers with 8 DIP switches until 2010. Once the DIP switches have been set to match your opener, just press the garage door opener button to activate your garage door. It features a built-in flashlight and a confirmation LED; press and hold the plastic case where it marks 'PRESS' to activate the flash light. One 3 volt Lithium type (CR2032) battery is included.