50m Diving Compass Multifunctional Camping Climbing Hiking Luminous Elastic Rope Underwater Waterproof Compass WatchFeature:1. A compass has a triangle pointing an arrow to point north of the magnetic field.2. The side small window and red reference line are easy to read the azimuth data.3. Scale rings 0 and 180 deg; The position is appropriately equipped with a positioning column, and the target direction can be set by turning the scale ring.4. The compass is designed in a balanced way, and the compass will not tilt and rub the window frame provided it is not horizontal, which will cause the compass to jam. A scientific project used in both the northern and southern hemispheres5. The precision of the inner teeth of the scale ring makes the calibration ring more accurate and effective in reducing the direction error. 50m waterproof, suitable for deep water operation.6. The liquid-filled light absorbing compass can absorb light sources such as sunlight and light, and emit night light in dark conditions to obtain data accurately.7. It is equipped with a high-quality, high-density elastic rope strap, which is leak-proof and pull-resistant, and can be adjusted. Specification:Main Material: ABS+PlexiglassProduct Color: Black, Blue, Yellow, GreyProduct Size: 8.2*6.2*3.5cm Net Weight: 90g Spring Rope: 88.5cm, Needle Diameter 6.2cmNote: Due to the different monitor and light effect