Ideally suited for small to medium powerboats, the low-profile deck-mounted Explorer compass by Ritchie is adjustable and removable for security. 2-3/4" direct read dial with internal green night illumination. Built-in compensators, easy adjustment for deviation. Fast heading lock-on, scientifically matched sapphire jewel and hardened steel pivot. Moveable sun shield. Black. 5 year manufacturer's warranty.