This ACT-22A Linear MegaCode Remote Transmitter is permanently coded at the factory. The remoter sends a unique code when the button is pressed. The remote is programmed by the receiver learning a remote's unique digital code. The receiver will activate only from the memorized remotes.

Linear ACT-22A Info: Activates Two MegaCode Receiver 318MHz, Battery, Key Ring, Programming Instructions Included, Dimensions: 1.25” W x 2.25” H x 0.48” D