4” GPS Fishfinder with Industry-leading Sonar and Quickdraw Contours Mapping SoftwareIncludes dual-beam transducer with Garmin CHIRP traditional sonar for crystal-clear images and remarkable target separationBuilt-in Garmin Quickdraw™ Contours mapping software lets you create and store maps with 1’ contours for up to 2 million acresBuilt-in GPS lets you mark waypoints, create routes and view boat’s speedBright, sunlight-readable 4.3” display and intuitive user interfaceRugged design for every fishing environment