Simrad IS42 Speed & Depth Instrument PackOutfit your boat with Simrad's IS42 Speed Depth Pack and enjoy accurate depth speed readings on a crystal clear display that puts the sailing data you rely on, exactly where you need to see it. Features: IS42 Display Displays wind, speed, depth, engine data, autopilot status and more Add the Optional OP12 keypad (Sold Separately) to take full control of your Simrad autopilot system Applications: Simrad AC12, AC42, NAC 2 and NAC 3 autopilot computers