1. Identify the location for the sensor from the label on the box.
2. Remove the pieces from the box and note the difference between the sensor and the magnet.
3. Clean the location on the window. Prepare to place the sensor on the side where the window first opens.
4. Remove the backing of the tape from the sensor and magnet. Place the sensor on the frame and the magnet on the window.
Note: The sensor and magnet must be no more then a pencil width apart.
IMPORTANT: Make sure the arrow on the magnet is on the side closest to the sensor.
IMPORTANT: Make sure the arrow on the sensor is on the side closest to the magnet, and that the arrows on each device are aligned.