Measuring range:

Temp: -50ºC/ 70C (-58ºF/ 158ºF) Humidity: 10%RH to 99%RH

Accuracy:

Temp: /- 1ºC (2ºF) Humidity: /- 5% RH

Display resolution:

Temp: 0.1ºC (0.1ºF) Humidity: 1%RH

Battery:

One 1.5 volt AAA