Just attach to your boat and put it in the water and turn on and off your go. Good for telling water depths and features in the water shelfs and weed.
eBay
Erchang Portable Fish Finder Water Depth Echo Sounder Handheld Sonar Castable Kayak Boat Fishfinder Transducer Fishing
Aliexpress UK
eBay
LUCKY LCD Color Screen Portable Wired Fish Finder 100M Depth Range Sonar Echo Sounders Fishfinder
Aliexpress UK
2.8" LCD Display Monitor 45M Fish Finder Sonar Sensor River Ocean Alarm. Sonar: 125KHz wireless. Sonar frequency: 125KHZ. - Sonar beam angle: 90 degree. 1 x Coloured LCD Fish finder. - Distinct display screen, you can get all the data you need, containing the depth of the sea, the situation of fish and so on.
eBay
HEE RAK Portable Fish Depth Finder Water Handheld 1080P 4.3 Inch LCD Fish Finder Underwater 220° Fishing Camera Night Vision
Aliexpress UK
Condition is New. Rig Construction: (12) rigs. The rig is designed to allow the fish to pick up your bait without feeling the weight of the sinker. Run your main line through the nylon slide and the bead(to protect your knot) then attach the barrel swivel to the main line.
eBay
Lucky Sonar Fish Finder Rechargeable Wireless Sensor 45M Water Depth Echo Sounder Fishing Portable Fish Finder FF1108-1CLA
Aliexpress UK
【Wide Range of Depth】- with transducer with a 25ft cable The detecting depth range of the fishing from 3ft(1m) to 328ft ( ) with detecting degree. 1 Piece Round Sonar Sensor with Cable. 【Multifunctional】- Use this portable boat depth for various fishing occasions like boat fishing, kayak fishing, sea fishing, ice fishing and so on.
eBay
FOURQ Portable Fish Depth Finder Water Handheld HD 5.0 Inch LCD Fish Finder Underwater 220° Fishing Camera With Night Vision
Aliexpress UK
Rod PowerOthers. Rod ActionOthers. Rod Reel SeatOthers. BMany noticeable scratches on the blank, grip, reel seat, or guide wrapping. Line WeightOthers. BNo issues in rotational performance or functionality, but with many scratches that go beyond the paint and reach the base material.
eBay
Fish Finder Holder Fish Finder Mount with Rectangular Base Adjustable Kayak Rail Installation System Fishing Accessories
Aliexpress UK
Rig is 24" long. Place the sinker slide onto your main line then the bead, then tie main line to the swivel. Bead will protect the knot. This will allow fish to pick up the bait without feeling the sinker/weight.
eBay
Fish Finder Mount with Rectangular Base Adjustable Kayak Rail Installation System Fishing Accessories Kayak Fish Finder Mount
Aliexpress UK
Rod PowerOthers. Rod ActionOthers. Rod Reel SeatOthers. BMany noticeable scratches on the blank, grip, reel seat, or guide wrapping. Find your next great catch at Berry net! Line WeightOthers. BNo issues in rotational performance or functionality, but with many scratches that go beyond the paint and reach the base material.
eBay
Portable Fish Finder Water Depth Sounder Temperature Fishfinder with Wire Sonar Sensor Transducer for Fishing Black XQ
Aliexpress UK