100M Depth Wireless LCD Fishfinders with Sonar Sensor Rechargeable Fish Finder

There are two small holes on the sonar sensor ball,small holes to tether with fishing line and the other end is tied to the stern of bait boat,let the sonar sensor ball cruise with the fishing bait boat;.

NEW LUCKY FF1108-1 Portable Handheld Sonar Alarm Fish Finder Sensor BNIB £4.20 - PicClick UK

LUCKY Portable Fish Finder Handheld Kayak Fish Finders Wired Fish Depth Finder Sonar Sensor Transducer for Boat Fishing Sea Fishing

Deeper Smart Sonar PRO+ Level up your angling with the highest spec castable fish finder ever. It offers more power, more features, and the best casting range and scanning depth, plus it is the world’s only castable with inbuilt. The Deeper PRO+ gives you incredible scanning and mapping from shore, boat, kayak and on the ice, all so you can know like a pro and catch like a pro.

Deeper Smart Sonar Pro+

Hawkeye Depthtrax 1b in Dash Digital Depth Finder for sale online

DEEPER PRO PLUS 2 GPS Wifi Bluetooth Fish Finder Mapper Pro + 2 £249.99 - PicClick UK

Portable Fish Finder with Sonar Sensor and LCD Malaysia

WIRELESS Fish Finder - Battery Powered / 100m Detection Range / 40m Depth Detection - GeeWiz

Portable 100m Smart Fish Finder LCD Wireless Remote Sonar Sensor Fishing Helper for sale online

WIRELESS FISH FINDER - 180 Metre Range, Sonar, Depth, Features, temp. Castable £79.99 - PicClick UK

Lucky Ff918cwls Wireless Sonar Sensor 45m Depth Boat Fish Finder English/russian for sale online

This Fish Finder has wide range wireless sensor and high-contrast 4-level grayscale FSTN LCD. It has (1) alarm that can be set to alert the user on

FF-918N2 LUCKY 2-in-1 Fish Finder 100m(Wired) / 60m(Wireless) Depth Sounder Fishfinder Fish Detector

GARMIN ECHOMAP 52DV Combined Fishfinder/chartplotter With UK Charts £245.00 - PicClick UK

Rechargeable Wireless Fish Finder Sonar Distance Depth Echo - Temu Belgium