Wired Magnetic Contact Switch for Doors and Windows (Sm Wht)

Sensor Overview
These wired magnetic contact switches are the recessed mount type used by most security companies. The contact on this magnetic alarm switch is 'Normally Closed' when it's near the magnetic target. Once a gap of approximately 1" occurs, the switch will open and the alarm is triggered.

Ready-to-Arm Feature
This sensor supports having the alarm system tell you, when you are arming the system, if you have left a door or window open. You will get a notification on the screen of unclosed doors and windows as well as a voice notification from the panel.
  
Wired Connections
This wired door sensor uses 2 wires in total. 
Two wires are for power (+) and (-). 

Installation
Run the reed switch through a hole in the door/window or the frame. Drill a hole where the magnet will touch the reed switch when the door/window is closed.

-- Sensor Specifications --
Voltage:  12v DC
Current: 2-5mA (Standby); 20mA (Alarming)
Best Working Temperature: Unknown

-- Sensor Dimensions --
Reed Switch: Diameter: 0.88 x 0.88 inches (2.22 x 2.22 cm)
Wire Length: ~11 inches (wire length varies from shipment to shipment)
Magnet: Diameter: 0.88 x 0.88 inches (2.22 x 2.22 cm)