Search query: depth finders for boats

Product: JOYWEE FF688C 3.5" Phiradar Color LCD Boat Fish Finder 200KHz/83KHz Dual Sonar Frequency 300M Detection Muti-Language Auto Zoom This amazing fish finder is specially designed for amateur and professional fishermen to find fish location, depth and bottom contour of water, perfect to be used in the sea, river, lake and fantastic for detecting schools of fish in any particular area,suitable for Ice Fishing, Kayak, Boat and Shore Fishing.
Specifications:
Material: Plastic
Display: 3.5" TFT LCD
Resolution: V320 * H240
Front Lighting: White LED
Depth Range: 0.6m-80m / 2ft-984ft
Sonar Frequency: 200/83KHz dual beam
Language: English / Russian/ French / Japanese / Finnish / Polish / German / Italian / Spanish / Dutch / Korean / Swedish / Greek / Danish
Input Power: DC 10-18V
Operation Temperature: -20~+70°C
Item Size: 16 * 10.2cm / 6.30 * 4.02in
Item Weight: 388g / 13.69oz
Package Size: 18 * 11.7 * 17.2cm / 7.09 * 4.61 * 6.77in
Package Weight: 977g / 2.15lb
Package List:
1 * Fish Finder
1 * Transducer
1 * Power Cable
1 * User Manual (English) This amazing fish finder is specially designed for amateur and professional fishermen to find fish location, depth and bottom contour of water, perfect to be used in the sea, river, lake and fantastic for detecting schools of fish in any particular area.
Display type: 3.5" 18bit TFT V320XH240 sunlight readable. Depth reading from 1.8 to 984ft (0.6-300m) in 1/10th precision. Bottom contour and water temperature indicator. 100 levels of sensitivity setting and multi-level depth range.
Auto zoom bottom tracking and quick manual zoom. "Stop chart" at any time. Multi-language menu settings (English / Russian/ French / Chinese / Japanese / Finnish / Polish / German / Italian / Spanish / Dutch / Korean / Swedish / Greek / Danish). Big/small fish identification and fish depth indicator.
User selectable feet or meter reading. User selectable sonar chart mode. Clear fish icon. Depth compensation. Audible fish and depth alarm, depth alarm 3-99ft.
200KHz/83KHz duel beam sonar frequency. Anti-interference from the grass when used in lake. Display different bottom (grass, sand, rock) in the sea. 800 watts maximum output power; 100 watts RMS power. Battery strength indicator. Perfect for ocean, river, lake fishing, etc.. 800 watts maximum output power; 100 watts RMS power. Battery strength indicator. Phiradar

Product: Humminbird 410150-1 PIRANHAMAX 4 Fish Finder,Black Display Size Diagonal - 4.3-Inch
Dual Beam Sonar
2400 watts PTP/300 Watts RMS
Depth Sonar 320 ft (20) 455 kHz, 600 ft (20) 200 kHz
Sonar Coverage 28° & 16° @ -10dB Humminbird Black