The Door/Window Access Transmitter has two magnetic contact bars. When the door or window is opened, the bars lose magnetic contact and trigger the transmitter. The transmitter sends a signal to the Sidekick II, Lamplighter, Crystal Reflections or Good Vibrations Receiver.

Operates on 2 AAA batteries (included)

Easy to install and use

Range of up to 100 feet

Five-year manufacturer’s warranty