The compass is medium in size and easy to carry. It is recommended to put it in your pocket, backpack or directly on your neck so that your direction will always be correct.Product name: golden spiral compassSize: 9*6*3CM (length*width*height)Unfold 7.5*5.5*2.6CM (length*width*height) to fold.Dial diameter: 4.6CMWeight: 100G (including packaging)Structure and performance:1. Orientation measuring institution:It is composed of compass, sight and sight. The outer circle of the azimuth division is a 360 division system with a minimum division value of 2; the inner circle is a 60-00 density division system, and the minimum division value is 0-20 divisions. The conversion between density and degree is shown in the table.Measurement accuracy: 0-10 dense position 12. Distance estimator:It is composed of rear sight and front sight. The angle between the two tips of the front sight and the center edge of the rear sight is 1-00, the length between the two tips is 12.34 mm, and the length between the rear sight and the front sight is 123.4 mm, which constitutes a 10:1 ratio ranging estimator.Measurement accuracy is 5%3. Pitch angle measurement mechanism:It is composed of a tilt meter plate, a tilt pendulum, a head-up mirror, etc., and its range is 90.Measurement accuracy 2.54. Coordinate ladder:It consists of a long ruler on one side and a short ruler on both sides that are perpendicular to each other. The ruler is 120 mm long.Measurement accuracy: 0.5 mmIt 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.