Specifications:

1.Display
Display size: 4.5inchs / 115mm, FSTN LCD
Display Resolution: 240V x 160H
Gray scale: 16 level
Screen Backlight

2.Sonar
Depth capability: Max 850ft (280m)
Sonar frequency: 200 kHz / 583kHz Dual beam sonar
Sonar coverage: 60degree @ -10db in 83 kHz
20degree @ -10db in 200 kHz
Sonar Alarms: Fish / Max and Min Depth

3.Technical and casing
Back-up memory: Built-in memory stores sonar settings when the unit is turned off.
Units: Meter / feet, Celsius / Fahrenheit
Temperature included
Transducer mounting: Transom or Inside hull
Unit Dimensions: 7.5" x 4.2" x1.9" (190 x 107 x 98 mm)
Casing: Sealed and waterproof

4.Power
Power Supply: 10-20 VDC
Sonar Output Power: 1200 watts (peak-to-peak)
Sonar Output Power: 150watts (RMS)

Other Features
1) Real time sonar windows
2) Large digits view
3) Superb viewing in direct sunlight.
4) Screen backlit for night / low-light viewing
5) 3-level side fishing indication
6) Fresh/Salt Water Environment
7) Displays fish targets at higher boat speeds
8) Back-up memory: Built-in memory stores sonar settings when the unit is turned off.
9) Zoom
10) Choose detecting range automatically
11) Tilt & twist quick release mount