Wireless Fish Finder

Wireless Fish Finder Features: 1) Depth Range Max/Min: 120Feet(35meters)/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: 120Feets(35meters) 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) Waterproof design: Level-4 (spray-water-proof) 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) Wireless sensor batter: CR-2032 button battery