Specification: 1) Display: 2.2inch high-contrast Dot matrix FSTN LCD 2) Back lighting: On/off White LED 3) Depth Capability: Cable transducer 328feet(100m) 4) Sonar Coverage: 60degrees beam angle in 83Khz/20degrees beam angle in 200Khz 5) Power: 4*AAA alkaline battery(not included) 6) Floating&Waterproofdesign 7) Water depth,water temperature, fish location, 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) Operational Temperature: 14°F to 122°F(-10°C to 50°C) The transducer can detect water up to 100m 1.Water depth 2. Battery indicator 3.Water temperature 4.Sensitivity 5.Water surface line 6.Upper zoom range 7.83KHz wide beam fish icon 8.small fish icon (200KHz narrow) 9.Bottom contour 10. Large fish icon (200KHz narrow) 11. Sonar frequency 12. Medium fish icon (200KHz narrow) 13.Power/Menu Key 14. Lower zoom range 15.Left Arrow 16.Right Arrow Related Products: underwater fishing camera,fishing camera,underwater camera for fishing,fish finder,underwater fish camera,under water fishing camera,ice fishing camera,fishing monitor underwater camera,underwater fish camera,fish finder camera,underwater drone with camera LCD liquid crystal display, can provide crystal clear images and excellent target separation Sturdy design suitable for various fishing environments Can detect and display underwater outline, water depth, water temperature, fish size and fish depth The brightness of the display can be adjusted. Easily read data at night or in the sun. You can contact at any time if you encounter any problems during the purchase process, we will reply to you as soon as possible and solve it for you