1. The triangle indicating arrow can point to the north direction of the magnetic field
2. The small window on the side is the red reference line, which is easy to read the azimuth data
3. The 0 degree and 180 degree positions of the scale ring are respectively equipped with positioning posts, and the target direction can be set by rotating the scale ring
4. The compass adopts a balanced design, suitable for both the northern and southern hemispheres
5. The internal teeth of the scale ring make the scale ring more accurate and effectively reduce the direction error
6. Light-absorbing compass, can absorb sunlight, lights and other light sources, and emit luminous light in dark conditions
7. Elastic cord straps are tight and resistant to pulling, and the binding method can be adjusted at will
8. Purpose: to guide the direction underwater
9. Material: ABS+plexiglass
10. Depth of underwater diving: less than or equal to 50 meters
11. Underwater working temperature: -30 to 60 degrees Celsius
12. Size: 8.2x6.2x3.5cm
13. Weight: about 90g