Strong magnetic needle 300 Gauss, quicker and more stable return, more accurate pointing.The dial is filled with modified white oil for better transparency and strong stability.The main body is made of acrylic sheet, which has good toughness; it is clearer and more durable.The full dial has a built-in fluorescent material with a good luminous effect.Suitable for outdoor hiking, adventure, street/house orientation determination, map calibration, students Experiment etc.Purpose: donate to navigationIs it waterproof: yesWhether shockproof: NoWhether luminous display: YesCarrying method: hanging buttonDisplay mode: pointer typeEquipped with scale, scale, magnifying glass function; equipped with anti-lost lanyard.Product name: Multifunctional drawing compass.Material: base is acrylic, compass is ABA material, filled with modified white oil.Specification: diameter 107mm, width 54mm, thickness 10.5mm.Weight: about 40 gramsInstructions for use: ESWN stands for Southeast, Southeast and Northwest respectively.The arrow points in the direction of "North".Rotate the compass to make the letter "N" coincide with the arrow (pointing to--). At this time, the direction corresponding to the other letters on the compass is the actual geographic position.It is very suitable for camping, climbing, hiking and traveling.7*24 Service: If you have any questions, please feel free to contact us, it is our honor to satisfy all our customers and help you solve your problems.