Raymarine i40 Depth DisplayRaymarine i40 Depth Display Add depth transducer to complete your working system Compact Digital Displays Big displays for smaller powerboats, yachts and RIBs, these compact yet powerful SeaTalk instrument displays offer full integration with Raymarine autopilots and navigation equipment and can be surface or trunnion mounted. Extra large (28mm max) digits and razor sharp LCDs easy to use Raymarine i40 instrument displays have outstanding visibility