Linear Supervised Universal Door/Window Transmitter
 $29.59 Transmitter has built-in magnetic switch Accepts N/O or N/C external devices Supervised for low battery and sends hourly status singals | HomeRemote Door/Window Sensor
 $42.15 Hawking Technologies HomeRemote Wireless Door/Window Sensor, detects when your client's door or window is open or closed. | Mace Wireless Door/Window Sensor
 $18.23 For use with wireless home security system When door or window opens it activates an alarm Wireless RF transmission up to 300 feet Batteries included |
