Features:
1) Altimeter (m, feet)     
2) temperature (°F to °C)
3) Barometric pressure (hPa, inHg, mmHg)
4) 256 set of altitude data history
5) Time and date with manual setting option 
6) 12 /24 hour time mode  
7) Calendar
8) LED backlight
9) Lanyard included for easy carrying

Specifications:

1) Compass range: 0° to 359° (digital)
                                    1 to 16 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) Relative height accuracy : +/- 3m
    Absolute height accuracy: +/- 12m    Temperature accuracy: ±1.0°C
    Anger accuracy: +/- 8°C
 
5) Power requirements: 
  single 3V lithium battery (CR2032)  ( included)
 6) Battery life: Minimum 12 months for base station