Lucky 2.4" Inch Screen 45M Wireless Sonar Fishfinder Alarm

LUCKY fish finder can help you take less time and catch more fish. So enjoy your fishing time with fish finder!

Specification:
1) Display: 2.4 inch TFT color LCD, pixels:240Vx960H 
2)Back lighting: On/off White LED 
3) Depth Capability: 147feet(45m)
4) Sonar Coverage: 90 degrees beam angle in 125Khz 
5)Wireless Operational Range: 200feet(60m) 
6) Power: 3.7V rechargeable lithium battery
7) Waterproof design: level-4(spray-water-proof) 
8) Wireless Sensor Power: 3.7V rechargeable Lithium battery 
9) Water depth, water temperature, fish location, bottom contour can be constantly obtained from the water
10) User selectable sensitivity zoom, units, depth range, shallow alarm, fish icon, fish alarm, and chart speed setting 
11) Built in memory stores sonar setting when the fish finder is turned off 
12) Wireless Sensor could shut down when it is out of the water

How to use it
tie the fishing line to the hole of Wireless sensor and cast it to the water. 
attach the adapter to the boat with tabs