VECTORCOM Wired Fish Finder Portable Fishfinder Fishing Finder with LCD Display. Suitable for ice Fishing. (Black Screen)

1) Display: TN/ANTI-UV LCD 2) Display size: 40Wx39H 3) Small round transducer with 7.5m cable,45-degree beam angle 4) Removable float 5) Back lighting: Green LED backlight 6) 4xAAA batteries, battery save mode, battery strength indicator 7) High/Low sensitivity setting 8) Depth Range Max/Min: 328Feet(100meters)/2Feet(0.7meters) 9) Operational Temperature: -4F to 158F(-20C-70C) 10) Fish depth scale, audible fish alarm 11) User selectable meter or feet readings 12) Waterproof design: level-4 (spray-water-proof) 13) Able to shoot through boat hull and clear ice 14)Bottom show:Show the bottom grass or rock 15)Can resist the interference from the grass when use in lake "