Transducer Not Included – Control Head Only (CHO).  The perfect companion for a Minn Kota trolling motor with a built-in MSI transducer! The HUMMINBIRD SOLIX 15 CHIRP MEGA SI+ G3 CHO combines cutting-edge technologies like MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and AutoChart Live on an ultra-clear Cross Touch® display. Take full advantage of the generous 15.4" touchscreen display with customizable views and settings that allow you to see multiple technologies at once and find what you want quickly via the convenient side bar menu. Leverage the networking power of built-in Wi-Fi and NMEA 2000®, as well as Bluetooth® and Ethernet connections for compatibility with the One-Boat Network™ family of products from Humminbird, Minn Kota and Cannon.