Silva Mini Compass. This mini mirror-sighting compass is graduated 0-360Adeg (Azimuth) in 5Adeg units. Features include an inch scale graduated in 16ths printed on the solid black baseplate, luminous sighting points, and a handy safety pin for attaching to your clothing for hands-free use. Features: Night use / luminous markings enable night time navigation up to 4 hours once activated by daylight/flashlight Robust material withstands tough treatment and conditions Built-in sundial helps determine the time of day by the apparent position of the sun Includes a detachable lanyard Swedish steel with high quality magnetic features