As the technology in top-of-the-line sonar units goes down, you reap the benefits with Simrads GO7 XSE with Insight Maps and TotalScan. Beginning with their mulitouch interface, familiar operation resembles your smartphone. High-definition, bright 7-in. multicolor display mounts with either the included bracket or flush-mounted to your console or bow. Internal 10Hz GPS receiver updates your heading and position 10 times a second to eliminate jumping. Broadband echosounder with CHIRP provides a crystal-clear image of the water column boasting incredible target separation. Built-in GoFree Wi-Fi, Bluetooth, and NMEA 2000 capability allows instant updating of software to the latest version while also keeping all your vessels vitals in an easily legible location. TotalScan transducer provides SideScan, DownScan and ForwardScan Sonar, plus StructureScan Imaging mapping overlay. Supports the widest cartography from Insight, Navionics and CMAP. Single microSD card slot. Type: Big Boat Electronics.