Transmitter Solutions Firefly 390LMPB1K3 Keychain Remote (390MHz)

Firefly Keychain Remote Model No. 390LMPB1K3 The Transmitter Solutions® Firefly3 transmitter is a very small key chain style wireless transmitter operating at 390 MHz. It has been designed for use with and is compatible with all dip switch receivers operating at a 390 frequency with 10-dip switches, including all Liftmaster® dip switch digital receivers. This transmitter is compatible with the Liftmaster® 81LM. Features Liftmaster, sears, chamberlain, compatible with ALL 81LM remotes! 81LM REPLACEMENT REMOTE compatible with LiftMaster and Chamberlain 390Mhz billion code systems. Works with LiftMaster's GREEN LED LEARN button  Programmable Key chain 390 MHz Download Information: Specification Sheet Installation / User Manual