Feature:1. The compass made of high quality ABS and polymethyl methacrylate material, sturdy and durable.2. Lightweight wristband designed, convenient to carry and use.3. Very suitable for underwater caving expedition, diving, snorkeling, fishing, camping, etc.4. Compass has triangular instruction arrowhead pointing north direction of the magnetic field.5. Side small view window and red datum line, convenient to read azimuth data.6. Positioning column, scale circle set at position 0 and 180 respectively, rotation scale circle can set target direction.7. Compass designed in balanced way, compass will not inclined to rub against the window frame and cause the compass to get stuck under non-horizontal conditions. Scientific designed applies to both hemispheres.8. Accurate and precise scale circle with internal clamping teeth makes the scale circle more accurate and effectively reduces the directional error, 50 meters waterproof for deep water operation.9. Liquid filled light absorption compass, can absorb sunlight, light and other light sources, in dark conditions to emit night light.10. Detachable rubber watchband with not easy to rust the pure copper pin buckle, remove the watchband can used to wear the rope.Specification:Condition: 100% Brand NewItem Type: Diving CompassModel: CP-991Material: ABS + Polymethyl MethacrylateOptional Color: Blue, Yellow, GrayWeight: Approx. 170gSize: Approx. 6.5x6.5x3.6cm/2.56x2.56x1.42inch.Package List:1 xDiving Compass1 x Manual