The distinct arrow and scales/markings in a clear contemporary font combined with lots of transparency in the baseplate makes navigating easier – when activated in light the luminous markings enable night time navigationDryFlex Rubber grip allows easy handling of the compass/great gripTurnable housing usable with the SILVA 1-2-3 SystemMap measuring scales in 1:24k, 1:62.5k mile, inch (1/20th)Night use / Luminous markings enables night time navigation up to 4 hours once activated by daylight/flashlight