Striker Plus 4, Worldwide w/Dual Beam

4” GPS Fishfinder with Industry-leading Sonar and Quickdraw Contours Mapping Software Includes dual-beam transducer with Garmin CHIRP traditional sonar for crystal-clear images and remarkable target separation Built-in Garmin Quickdraw™ Contours mapping software lets you create and store maps with 1” contours for up to 2 million acres Built-in GPS lets you mark waypoints, create routes and view boat”s speed Bright, sunlight-readable 4.3” display and intuitive user interface Rugged design for every fishing environment