The perfect small power-boat compass that has a push button removal for easy-on mounting, easy-off storage and security. Ritchie Voyager surface mount compasses with 3" CombiDamp dials, feature compact low-profile designs, built-in night light illumination, built-in compensators to easily adjust for deviation, scientifically matched sapphire jewel & hardened steel pivot dial movement, powerful directive force magnets for fast heading lock-on, movable sun shield, 100% repairable and exclusive 5-year warranty.