multi-link sd-300m mini keychain garage door remote transmitter
multilink sd-300m keychain gate or garage door opener remote multicode compatible . works with multicode stanley .300 mhz frequency.programs using 10 dip switches.compatible with multicode 3089 garage door opener amp gate opener hand held remote control .300 mhz frequency gate or garage door remote transmitter.replaces multicode model 1089 300mhz 10 dip switch remotes