Multifunctional Mini Portable Copper Navigation Compass Waterproof Mountaineering Camping Hiking Luminous Retro Flip Compasses for Outdoor ActivitiesMade of pure copper, fashionable pocket watch shape, flip, waterproof, 360 degree rotating compass. Specification: Name: Outer CompassMaterial: Pure Copper Package: Color Box + OPP Bag Packing: 52gDiameter: 48mm / 1.89in Height: 13mm / 0.51in Usage: It is important to hold the compass horizontally so that it can rotate freely. The scale on the dial is w for west, N for north, E for east and S for south. The red pole on the compass is the N pole, and the white pole is the S pole. Do not use the compass near ferromagnetic objects, high-voltage lines and electromagnetic devices, etc., to avoid mistakes and reduce the sensitivity of the compass. Note:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow the measurement deviation about 1-2cm due to manual measurement.1 X Copper Compass