TFA Weather Boy Instruction Manual page 39

The Outdoor Temperature Transmitter
INSTALL AND REPLACE BATTERIES IN THE TEMPERATURE TRANSMITTER
The temperature transmitter uses 2 x AA, IEC LR6, 1.5V battery. To install and
replace the batteries, please follow the steps below:
1.
2.
3.

Remote transmission of outdoor temperature to weather station by
868 MHz

Shower proof casing

Wall mounting case (Mounting at a sheltered place. Avoid direct rain
and sunshine)
Remove the battery compartment cover at the back of the transmitter.
Insert the batteries, observing the correct polarity (see marking).
Replace the battery compartment cover on the unit.
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