This universal compass can be used in its bracket as a steering compass or as a sighting compass when handheld. The 70UN can be installed in any inclination or position - even upside down. The compass is easily attached or detached from the bracket to temporarily use it for sighting. It is also easy to remove for security purposes. With a main steering scale on the horizontal part and direct reading on the vertical edge, 70UN is ideal for boats with a sitting as well as a standing helmsman. The curved lubber line enables swift and clear reading at a glance without parallax errors. If dropped in the sea - it floats! 70UNE comes with built in illumination, powered by two watch batteries and operated by a waterproof switch - ideal for night navigation. Suitable for small boats, kayaks, dinghies, canoes and more...