Code Alarm DIYTX ELVATDB Transmitter Factory Authorized Replacement Remote PROTX6 ELVATDB Code Alarm DIYTX ELVATDB Factory Authorized Replacement Remote PROTX6 ELVATDB Programming Instructions Included Six Buttons works on these Code Alarm systems: CA125, CA135, CA145, CA150, CA160, CA180, CA535, CA545, CA550, CA610, CA611, CA645, CA670, CA671, CA680