Potable Wireless DOT Matrix Sonar Fishfinder (FFW718)

Fish Finder Features:
1) Depth Range Max/Min: 120Feet(40meters)/2Feet(0.7meters)
2) Wireless sensor: 90-degree beam angle
3) Display: Big Adjustable High-contrast DOT matrix FSTN LCD 128Vx64H
4) Display size: 41Wx48H
5) Back lighting: On/off White LED
6) 125kHz sonar frequency
7) Temperature unit: Celsius/Fahrenheit
8) Wireless operational Range: 70meters
9) Power Requirement: 4-AAA alkaline batteries
10) Battery strength indicator
11) Levels sensitivity setting
12) Clear fish icon, fish alarm
13) Bottom contour: Show true changing of water bottom contour
14) User selectable meter or feet readings
15) Water Temperature Indicator
16) Water resistant design
17) Memory: Built in memory stores sonar setting when the unit is turned off
18) W-Sensor could shut down when it is out of the water
19) W-Sensor battery life: Lasts for approximately 500hours of in-water use
20) Operational Temperature: -4F to 158F(-20C-70C)
21)The battery of wireless sonar is replaceable.