Durable and compact: a durable dive compass. Measures 2.561.382.17 inches and weighs 0.19lbs. It is a professional diving compass.unique Design Unique Design: Side window readout with magnification allows reading from the side for easy underwater navigation. Luminous rotatable dial with hose groove design for quick work in diving environment. High accuracy and waterproof.multifunctional: Floating compass dial, 360° scale, accurate reading from multiple angles, waterproof and shockproof.suitable For A Variety Of Activities: Suitable for diving, surfing, sailing, positioning and other activities.buy It Now: Aofar factory direct sales. Comes with a two-year Vip warranty and lifetime customer support.