This is a color digital sounder designed for a variety of professional fishing operations. It features a bonded 10.4 Inch LCD display providing superior viewing even in direct sunlight. You can display echoes in 8, 16, or 64 colors, with color assignment dependent on the strength of the returned echo. The Furuno Free Synthesizer (FFS) Transceiver allows a wide selection of operating frequencies. You may choose any two frequencies between 28 and 200 Kilohertz to fit your fishing operation. Output power is selectable from 1, 2 or 3 Kilowatt. A wide variety of display modes and functions are available, which provide skippers with simple and intuitive information. Furuno Digital Filter (FDF) optimizes the gain to obtain highly defined images of underwater conditions. It can clearly show target fish close to the seabed. The digital filter also eliminates noise to deliver sharp and detailed echo presentation, achieving detection of fishing reef and even individual fish with absolute clarity.