The Door/Window Access Transmitter has two magnetic contact bars. When the door or window is opened, the bars lose magnetic contact, triggering the transmitter. The transmitter sends a signal to a variety of Silent Call 318 Mhz receivers.

Benefits Include:

• Easily installed
• Battery operated (2-AAA batteries included)
• Range of up to 500 feet (depending on which receiver is used)
• Works with a variety of Silent Call 318 MHz transmitters
• 5 year limited warranty

5 year limited warranty