°C / °F exchangeable ;
Display humidity and temperature     simultaneously
Measuring range	20~99% 0~50°C / 32~122°F

Accuracy

±4 at 25% relative humidity, 25°C/77°F ±1°C / ±2°F over full range

Display resolution	1%, 0.1°
Display reading update	10 seconds
Display size	33x28 mm
Product size	Ø50x41 mm
Ambient temperature	10~40°C / 32~104°F
Backup battery	3 volt lithium (included)
Backup battery life	about 5.000 hours
Mounting opening size	Ø33 mm
Position fix opening size	Ø3.3 mm x 2
Max mounting thickness	7 mm