Things You'll Need

Instructions

1

Deactivate the connection between the security sensor and the home security system -- this may entail shutting off the home security system temporarily or disconnecting the connection or input for the security sensor on the system's control panel.
2

Open the window where the security sensor has been mounted. Unscrew the sensor module from the bottom edge of the window with the Phillips jeweler's screwdriver.
3

Unscrew the sensor module from the top of the windowsill with the Phillips jeweler's screwdriver.
4

Unscrew the two screws on the module with the Phillips jeweler's screwdriver and remove the two wires wrapped around them with your fingers if a wired security system is in use; otherwise, unplug the transmitter connected to the module from the wall socket that is providing it with power.