Portable Fish Finder

1) Display:Big Adjustable High-contrast Dot matrix 4-Level grayscale FSTN LCD 132Vx132H

2) Depth Capability:Cable transduce:300feet(100m)

3) Display size: 41Wx48H

4) Back lighting: On/off White LED

5) Temperature unit: Celsius/Fahrenheit

6) Power Requirement: 3.7V rechargeable alkaline batteries

7) Battery strength indicator

8) Levels sensitivity setting

9) Clear fish icon, fish alarm

10) Bottom contour: Show true changing of water bottom contour

11) User selectable meter or feet readings

12) Water Temperature Indicator

13) Waterproof design

14) Memory: Built –in memory stores sonar setting when the unit is turned off

15) Operational Temperature: -4°F to 158°F(-10°C-50°C)