Transmitter Solutions Firefly 300MCD21K3 Keychain Remote (300MHz)

Firefly Gate and Garage Keychain Remote Model No. 300MCD21K3 Sold in lots of 10 only The Transmitter Solutions® Firefly3 transmitter is a very small key chain style wireless transmitter operating at 300 MHz. It has been designed for use with and is compatible with all dip switch receivers operating at a 300 frequency with 10-dip switches, including all Multicode® dip switch digital receivers. This transmitter is compatible with the Linear® Multicode 3060 / 3070. Features 10 dip switch style 300mhz keychain remote Compatible with Multi-Code receivers and transmitters      Test/operate LED Keychain model Black case Gray button Power: Long-life 12 V battery Frequency: 300 MHz 10 Dip switches found in battery compartment Compatibility Chamberlain® 300mc Multicode® 3089 or 308911, 1089, 3083, 4120, 3070 and 3060 Digi-Code®  DC5010 and DC5040 transmitters. Heddolf® P-219, Apollo 300Mhz, Carper® 300Mhz DigiCode® 5200 , Dolphin® Dual Frequency 300/310, Keystone® M330-1KA Wireless®300Mhz, Mu