Functions: Direction position, azimuth, deviation, map position and distance measurement.
Double Dial: One side works as direction position and azimuth measurement while the other side is for distance measurement on map.
Measuring Wheel: Allows you to measure both straight and curve distance on the map, easy to obtain the real distance.
High Accuracy: Manual calibration, liquid damping, 0°-360° dial, ±0.5° accuracy.
Good Performance: NdFeB magnet, resistant to magnetic interference, not easy to demagnetization.
Strong & Waterproof: Put it in -30°C water and it still work after thaw out.
Portable: Only 5.7oz and 3.1in in length to fit in your pocket, and come with a sling for convenient carry.