DGX Tech Compass (Northern Hemisphere) -The liquid filled Tech Compass is both top and side reading for ease of use in a variety of situations. The compass features an easy-to-read luminescent gauge face, and the 360° ratcheted rotating bezel is calibrated for the Northern Hemisphere and is very accurate. Smooth movement across a wide range of motion is provided by the specially designed compass needle card and the powerful magnets. The compass includes the popular low profile depth compensating bungee mount plus the bungee (aka shock cord).