Wired high-definition color screen, visual sonar, finder, fish swarm detector

PRODUCT SPECIFICATION: 1) Display: 2.2inch high-contrast Dot matrix FS LCD, pixels:128Vx64H 2) Back lighting: On/off White LED 3) Depth Capability: Cable transducer 328feet(100m) 4) Sonar Coverage: 60degrees beam angle in 83Khz/20degrees beam angle in 200Khz 5) Power: 4*AAA alkae battery (not included) 6) ating& Waterproof design 7) Water depth, water temperature, fish location, bottom contour can be constantly obtained from the water 8) User selectable sensitivity, zoom,units,depth range,shallow alarm,fish icon,fish alarm,and chart speed setting 9) Built in memory stores sonar setting when the fish finder is turned off 10) Operational Temperature: 14°F to 122°F(-10°C to 50°C)