The Raymarine i40 Depth Display System is available as a complete system with a thru-hull transducer, transom mount or as a display-only kit enabling you to monitor your boat’s depth at a remote location. The i40 Depth Instrument offers easy-to-read displays of current depth, and minimum depth recorded. The unit also offers a convenient shallow depth alarm, deep depth alarm, shallow anchor alarm, and deep anchor alarm. The i40 Depth Instrument offers convenient depth offset controls allowing you to calibrate the readout to compensate for projections (rudders, props, skegs etc.) or to display the depth from the waterline of the vessel. i40 Key Features Ultra-modern design complements Raymarine’s latest a-Series, c-Series and e-Series Multifunction display and instrument systems. High contrast LCD displays with large digits for excellent visibility. Red backlighting for outstanding night-time visibility. Simple SeaTalk networking with other Raymarine instruments, autopilots and MFDs. Built-in transducer connections simplify installation. Small form factor saves space at the helm without sacrificing features. More Features and Specifications