check the pixels man the more the better im not to sure about this model but dont go buy it thinking because its colour its better than grey scale it doesnt work like that my grey scale will out perform a lot of colour sounders due to its big pixel count good transducer to if your fishing really deep water
mick
some stats on the colour sounder for you
* QVGA High resolution screen: 320 x 234 pixels.
* Alarms - battery, shallow, deep, water temp & rate of change.
* Display Modes: Sonar, Zoom, A-scope.
* Output power: 200 watts RMS.
* Power consumption: 225mA
* Water Proof: IPX7.
* Useable Depth: 150m
* Voltage: 12v DC.
not sure wat sort of money your looking at paying but they can be bought ner for $380 aud