TESTO 174H Mini Temperature and Humidity data logger (-20 ~ +70 °C, 0 ~ 100 %rH, IP20)

Temperature
+ Measuring range: -20 ~ +70 °C
+ Accuracy: ±0.5 °C
Humidity
+ Measuring range: 0 to 100 %rH
+ Accuracy: ±3 %rH (2 to +98 %rH) ±0.03 %rF/K
Protection class: IP20
Channels: 2
Measuring rate: 1 min - 24 h
Battery type: 2 lithium batteries (CR2032)
Battery life: 1 year
Memory: 16,000 measuring values
Dimensions: 60 x 38 x 18.5 mm
Accesories: wall bracket, battery (2 x CR 2032 lithium)

Datasheet

Manual