b) Temperature/air humidity sensor
WIRELESS THERMO HYGRO
1
17
Display of the temperature and air humidity
18
LED (flashes briefly upon data transmission)
19
Battery compartment cover
20
Four screws for the battery compartment cover
21
Reset button
22
Opening for wall mounting
23
Switch for channel selection (channel 1 to 5)
24
Battery compartment for 2 batteries type AA/mignon
58
17
18
19
21
RESET
20
22
23
24