Check the listing for details. Deeper CHIRP+ 3 / Castable Portable Fishfinder GPS. Condition: New. Listed at 472.24 USD. The Deeper Chirp+ 3 Sonar brings incredible detail of your venue with bathymetry mapping generating live 3D maps and giving an accurate picture of bottom structure, depth, and hill slopes. An ultra-precise 1cm target separation that allows you to distinguish even the smallest fish, pinpointing targets to maximise your catch efficiency. Featuring three beam frequencies, a wide beam for quick area scanning. A mid-point beam for balanced detail and a narrow beam for pinpoint accuracy. Simply pair with the Fish Deeper app on your smartphone, and you're ready to go.bottomstructure,depth,hillsandslopes You can pay with Paypal or Credit Card. Small items are sent with Royal Mail and larger parcels with my Courier. Courier postage costs are mainland UK only (Exc Highlands & Islands), for all other.