PRODUCT SPECIFICATION:
1) Display:2.4inch TFT color LCD
2)Backlighting: On/off White LED
3) Depth Capability: 147feet(45m)
4) Sonar Coverage: 90 degrees beam angle in 125Khz
5) Power: 3.7V rechargeable lithium batteries
6) Waterproof design: level-4(spray-water-proof)
7) Water depth, water temperature, fish location, the bottom contour can be constantly obtained from the water 
8) User selectable sensitivity zoom, units, depth range, shallow alarm, fish icon, fish alarm, and chart speed setting
9) Built-in memory stores sonar setting when the fish finder is turned off
10)It’s better to charge the device before use.

This model is a Wireless fish finder.
HIGH DEFINITION LCD can clearly display the underwater condition. The fish attractive lamp makes fishing easier by luring fishes.

Fish alarm: Selectable Large, Medium, Small fish.
Adjustable sensitivity setting: Selectable 9 levels of sensitivity.
60m wireless operating range& 45m detective water depth.
Self-adjusting depth scale:  Selectable specified water layer fish information.
1. Wireless Signal 8. W-sensor Battery Indicator
2. Sensitivity 9. Battery strength indicator
3. Water depth 10.Depth upper limit
4. Water temperature 11.Water surface
5. Medium fish icon with depth 12.Small fish icon with depth
6. Bottom contour 13.Large icon with depth
7. Left arrow 14.Depth low limit
15. Menu key
16. Right arrow
17. Power on/off

Switch 1 for W-sensor 
Working Indicator 
Switch 2 for a fish attractive lamp

Charging Port 
Charging indicator

How to use Lucky fishfinder?
1. Tie it to the end of the fishing line and cast it into the water
2. Wireless sonar sensor sends sound waves
3. Returned echoes transmitted to the fish finder

Attention:
1. Default power adapter is European. For UK or USA, please contact customer service.
2. Language menu: 
English/German/Russian/Italian/Spanish/French/Chinese/Japanese/Korean/Hungarian/Portuguese/Finnish/Polish/Dutch/Greek/Swedish/Czech/Danish/Romanian/Slovak
3. If the wireless sensor is not put into water, it will switch to resting-state automatically and sonar stops work. 
Only after being put into water, it will work.
4. Using a fish finder in a smooth and hard place (like a water tank, swimming pool, water bucket, or fish pond) will cause repeatedly sonar reception, or the detection can be inaccurate. Please test in outdoor deep water.