Firefly 300MCD22K garage door opener keychain remote is a 10 dip switch, 300 MHz remote that is compatible with Multicode.

• 10 dip switch style 300mhz keychain 2 button remote
• Compatible with Multi-Code receivers and transmitters
• Test/operate LED
• Keychain model
• Gray case
• Power: Long-life 12 V battery
• Frequency: 300 MHz
• Dip switches found in battery compartment