1) Altimeter (m, feet) 

2) temperature (°F to °F)

3) Barometric pressure (hPa, inHg, mmHg)

4) 250 set of altitude data history

5) Time and date with manual setting option

6) 12 /24 hour time mode 

7) Calendar

8) Low battery indicator

9) Neck band included for easy carrying

1) Compass range: 0° to 359° (digital) 1 to 32 pointers (graphical)

2) Temperature range: -20 ~ +60°C (-4°F to +140°F)

3) Pressure resolution: 0.1hPa (0.1mmHg, 0.01inHg) Temperature resolution: 0.1°C/0.2°F 

4) Height accuracy : +/- 0.5m Anger accuracy: +/- 1.0°C Temperature accuracy: ±1.0°C

5) Power requirements: single 3V lithium battery (CR2032) (not included)

6) Battery life: Minimum 12 months for base station

7) Dimensions : 92 x 51 x 16mm