A perfect device for DIY installation, the Firefly 310LID21K garage door opener features a convenient eight dip switch design to easily program your Firefuly remote with other devices. Compatible with Linear receivers and transmitters, including Ladybug remotes and Multi-Code systems, the Firefly 310LID21K is a durable and reliable device that can enhance the convenience of your garage door or gate system operation. Featuring an easy-to-carry keychain design, the Firefly remote has a 310 MHz frequency.

The single-channel keychain remote is powered by a long-lasting 12V battery and features an LED light to indicate operation and to aid with testing. To program your garage door opener, locate your eight dip switches, which can be found in the battery compartment, and simply set the switches in the identical position of the remote and receiver you wish to program it to. To ensure our customers receive the 310LID21K quickly, we typically ship the device within one business day.