Altimeter Celestron TrekGuide dilengkapi dengan:
- Digital compass with headings and degrees
- Altitude in both feet and meters
- Barometer shows barometric air pressure and sea pressure
- Weather forecast using icons
- Temperature (f or c)
- Current time
- Calendar showing day, month and year
- Alarm
- Bubble level
- Backlight led for use in low light conditions
- Lanyard
- Batteries included
- Water resistant