• ??Durable and compact.?Lightweight wristband designed, convenient to carry and use.? Very suitable for underwater caving expedition, diving, snorkeling, fishing, camping, etc.?Compass has triangular instruction arrowhead pointing north direction of the magnetic field.?Side small view window and red datum line, convenient to read azimuth data.?Positioning column, scale circle set at position 0 and 180° respectively, rotation scale circle can set target direction.?Suitable activities.