Silva Universal 70UNE Compass (35014-1191) Description: The Silva 70UNE Compass comes with the same features as the 70UN Universal Compass, but has additional built in diode illumination, which is powered by two watch batteries & a waterproof switch. The main features of this compass is the design, which enables you to mount it however you want & remove it quickly & easily from its bracket. It can be used in its bracket as a steering compass or as a bearing compass when handheld. The 70UNE Compass is suitable for kayaks, dinghies, canoes & small boats.