1) Fahrenheit or Celsius readout (changeable by selecting F or C on back)

2) 12 or 24 hour time modes (changeable by using MODE & ADJ button to set)

3) Alarm function

4) Power: 1x AAA 1.5v Battery (Not included)

5) Ideal for home office travel and school

6) Indoor Temperature range: -20℃ ~50℃

7) Indoor Thermometer range: 19%RH~91%RH

8) Fahrenheit : 0.1℉

9) Celsius: 0.1 ℃

10) Humidity: 1 %

11) Freezing warning:4℃ ~1 ℃

12) Size: 117x70x24mm