5816MN Door/Window Transmitter Two zone
transmitter with both built-in magnetic reed switches [90° apart] and wired
closed circuit contact loop.
The 5800 Series of door and window transmitters provide the most reliable,
convenient and cost effective solutions for security protection. These devices
are powerful and versatile enough to help solve even the toughest, most labor
intensive installations.
With a demonstrated outdoor range of over a mile, the 5800 Series has the
best performance of any transmitters available today.
Features
Features a small design for a hidden professional
look
5816MN Door/Window Transmitter 
