User's Manual
Receiver model: WH2642
Sensor model: WH22B
Version 1.0 Page 12
Figure 9
3.4 Outdoor Thermo-Hygrometer Sensor Set Up
Note: To avoid permanent damage, please take note of the battery polarity before inserting the
batteries.
The outdoor thermometer-hygrometer measures and displays the outdoor temperature and humidity to
the ObserverIP receiver.
Remove the battery door on the back of the sensor by sliding off the battery door. Insert two AA
batteries as shown in Figure 10, and close the battery door. Note that the temperature and humidity
will be displayed on the LCD display.