RAYMARINE i50 DEPTH SYSTEM. Sleek, compact modern design compliments Raymarine's latest a-Series, c-Series and e-Series multifunction displays. These instruments feature high contrast LCD displays, red backlighting for night-time visibility, simple SeaTalk networking with other Raymarine products and a built-in transducer connections for easy installation. All i40 instruments come with a low-profile surface mounting kit and silicone rubber sun cover. Offers accurate and reliable displays of depth,