Seco-Larm Enforcer 2-Button RF Transmitter, 3-Channel, CODEBUMP (SK-917T2A-UQ)

Keep your codes safe from electronic theft with the SK-917T2A-U's CODEBUMP technology. With this patented Anti-CodeGrabbing technology the transmitter's code changes every time the transmitter button is pressed, preventing the electronic theft of the code. This compact, keyring-equipped transmitter operates on a frequency of 315MHz at a range of up to 500 feet.