If you need a replacement remote for your Stanley garage door opener, or simply want to have an extra controller, the Skylink SD-310 MultiLink Mini Keychain Garage Door Remote is the answer. This MultiLink garage door remote control is designed to work with 310 MHz Stanley / Multi-Code garage door opener with 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.