Beachbody INSANITY 60-Day Workout Disc #9: Max Cardio Conditioning & Cardio Abs with Shaun T
- Support GPS, GLONASS Navigation Satellite System, provide instant and precise positioning..
- Measure area and length of any shape (mountainous land, slope and flat field).
- 2.4 inch 128 x 160 large screen that makes more clear and visually.
- Current satellite signal intensity & positioning precision showing.
- Automatic farmland area & length measurement.