DETUCK(TM Map Compass Collapsible Field Compass Survival Navigation Compass for Camping, Hiking, Boating,Hunting etc 1,Compass Lightweight and Durable Transparent Scratch-Resistant Acrylic material. 2,High Directional Sensitivity Compass. Made by Vacuum Oil Type technology, Pointers can fast Point to the orientation. 3,Multifunction Compass. Orientation discrimination, location, distance, slope measurement , azimuth measurement, pitch angle measurement, mapping scale, plotting scale, measuring scale, drawing, magnifying glass and so on. 4,Kindly Remind that please place the compass on a horizontal level to make it work correctly, and make it stay away from other magnetic objects that may disturb it's function. 5,Map Compass Suit For camping,hiking,hunting,mountaineering,climbing,wilderness exploration,sailing,travel,field trip,etc.