This Universal Compass Can Be Used In Its Bracket As A Steering Compass Or As A Sighting Compass When Handheld. The 70 Un 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, 70 Un 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! 70 Une 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...