Our rod mount sonar display does something no other fishfinder can¿it puts you sonar and time/date information where you need it, at eye level on your rod, on a display that"s backlit for night fishing. Plus, it includes the RF45 Advanced Remote Sonar Sensor for increased depth capability and wireless range, up to 500 hours of in-the-water use, and more. The One-Touch menu gives you easy access to Fish ID+, depth range, fish alarm, sensitivity and other advanced features, so you have the information you need at a glance. Accommodates rod sizes from .35" to 50".