颜色的鱼类寻找NAKI820C-4.3"临的，480x272

Display - Display size:4.3"(110mm), TFT LCD - Resolution: 480x272 Pixels - 3 styles Backlighting - Visible Under Strong Sunlight- Multi Language Operation Sonar - Depth capability: Max 700m - Sonar frequency: 200/50KHz - Sonar coverage: 12/35degree @ -10dB - Sonar Alarms: Fish / Shallow / Low Battery Power - Power Supply: 10-18 V DC - Sonar Output Power: 4000 watts (peak-to-peak) - Sonar Output Power: 500watts (RMS) Technicalandcasing - Built-in memory stores sonar settings - Unit Dimensions: 148 x 136 x 64 mm - Transducer Cable Length: 6m - IPX7 Waterproof Casing Design - Transducer mounting: Transom or Inside hull - Sensitive, Noise Filter, Depth Range, Zoom Range, TCG, Echo Style, Color Line control. Features - Windows style of menu system. - Real time sonar windows display the latest sonar returns. - 3 different color display modes to match your viewing preferences, including special night view model. - Zoom Capability to magnify the sonar image at ANY scale - Built-in temp sensor in transducer, for actuate water surface temp.- 6-pin data port for software updating and GPS connetion(option) - Color Line separates fish and structure from the bottom, and defines bottom hardness. - Display target depth reading above each fish symbol as a guide for quick and precise lure presentations. - Internal back-up memory retains the sonar settings before turnning off - Displays fish targets at higher boat speeds - Sonar alarm: Fish / shallow / low battery - Fresh / Salt Water Environment - Complete IPX7 Waterproof casing design. - Tilt & twist quick release mount - Full one-year warranty; Extended warranties available.