The Door/Window Access transmitter uses two magnetic bars connected to the door or window frame. Once someone opens the door or window and breaks the magnetic connection, the transmitter sends a signal to any Medallion Series receiver, which will alert you with flashing lights or vibration.
With the Medallion Series you get million-code technology, which means that your system will never get a false alert from a neighboring radio frequency signaling system. It's ideal for apartments, dorms, condos and hotels, as well as single-family homes.

Features:

• Transmitter is connected to magnetic bars with a 24-inch wire

• Up to 500ft range

• Uses 2 AA batteries (included)

• Low battery indicator light

Five year warranty

Product Code: SC-MS/D/WTR