Plastimo Marine Equipment Iris® 100 Hand Bearing Compass • Can be installed at any inclination: vertical, horizontal, flat—even upside down • Extra brackets are available for multiple mounting locations • Shockproof, waterproof, floats • Card remains horizontal whatever your position and is unaffected by heeling, shock and vibration • Extremely legible cone-shaped card is graduated every 5° • Double-reading card for direct and horizontal bearings • Two mobile lubberlines (3 on Tactical) • Expansion diaphragm prevents bubble formation in the liquid • Soft rubber casing provides efficient protection against shocks • Built-in lanyard for added security • Models with longlife LED lighting operate on a standard 1.5V battery (not included) • Includes padded carry pouch, sliding bracket and screws • Weighs just 10.5oz (295g)