CUSHION-MOUNTED - Compass is cushion-mounted and impact resistant. Provides at-a-glance direction and is very easy to read. LIQUID-FILLED LUMINOUS COMPASS - Compass stays luminous for up to an hour after being exposed to light. Perfect for low-light conditions and night time adventures! RULER ALONG SIDES - Inches and centimeters ruler included on sides for measuring map distances. SPLIT RING INCLUDED - The split ring allows for the MiniComp to be attached to any and all types of gear. From hiking and climbing, to camping and backpacking, the MiniComp is the perfect addition. Just attach to the zipper of a jacket or pack, or attach to a keychain. EXTREMELY LIGHTWEIGHT - At just 0.4 oz, MiniComp is lightest compass of it's size. Such a great addition that you will barely feel there! A very handy zipper pull compass for instant orientation. Or use it as a key ring. Compass is luminous and liquid filled. Includes inches/cm ruler on each side. Designed and final assembled in USA. Solid brass splitring won’t affect compass reading. Cushion-mounted, impact resistant compass.