Product Name: FF-718lic-W Lucky Rechargeable Fish Finder Colored LCD Fishfinder Wireless Sonar Sensor Model NO.: FF718LIC Depth Range: 0.7-45m Wirelss Operational Range: 100m Battery Life: 10hrs Sonar Frequency/Beam Angle: 90 Degree in 125kHz(Wireless) Operational Temperature: -10c~+50c Application Scope: Shore Fishing, Raft Fishing, Pole Fishi Screen Size: 2.8 Inch Product Name: Lucky FF718 Portabe Wireless Fish Finder Sonar for Material: Plastic Size: Small Type: Fish Finder Trademark: LUCKY Transport Package: Color Box Specification: CE from SGS Origin: China HS Code: 8543201000 Product Description Waterproof Transducer Fish FinderProduct Description:1) Display: Big Adjustable High-contrast DOT matrix 4-Level grayscale FSTN LCD 132Vx132H2) Depth Capability: Cable transduce: 45m3) Sonar Coverage: 90 degrees at 125kHz4) Display size: 41Wx48H5) Back lighting: On/off White LED6)) Temperature unit: Celsius/Fahrenheit7) Power Requirement: 3.7V rechargeable alkaline batteries8) Battery strength indicator9) Levels sensitivity setting10) Clear fish icon, fish alarm11) Bottom contour: Show true changing of water bottom contour12) User selectable meter or feet readings13) Water Temperature Indicator14) Waterproof design: Level-IP7 (water-proof)15) Memory: Built-in memory stores sonar setting when the unit is turned off16) W-Sensor could shut down when it is out of the water17) W-Sensor battery requirement: One replaceable CR-2032 lithium battery18) Operational Temperature: -10° C-50° C