SAUW Wireless room temperature and humidity sensor

Wireless room temperature and humidity sensor
Specifications for Wireless room temperature and humidity sensor
Power supply AA 1.5 V L91 battery x 2
Battery life 10 years
Frequency 868 MHz
Protection class IP30
Measuring range, temperature -10…+50°C
Measuring range, humidity 0…100% RH
Accuracy, temperature ±0.2 K
Accuracy, humidity ±2 %
Dimensions, external (WxHxD) 86 x 86 x 30mm