Raymarine - i70s System Pack - Wind, Depth, Speed - T70226. The i70s multifunction gives you the flexibility to display instrument and navigation data that is most important to you. Equipped with a bold and bright 4.1_ display, the i70s is easy-to-customize with digital, analogue and graphical displays of depth, speed, wind and more. Add the i70s to your existing Raymarine instrument system or create a network of i70s displays and sensors, the choice is yours.. Features:. 4.1" super bright overs