From what I have looked into, the unit is as advertised. That being said it does not use the latest technology which is CHIRP. Do you need CHIRP I don't know, only you can decide. I have been looking at hummingbird, Lowrance and Garmin for sidescan/down vu. Garmin uses the latest technology and both will give a decent picture of the bottom but Garmin will be better. I'm looking for something which can identify items on the bottom so I can SCBA down and pick them up in fresh water. If your fresh water fishing and that's what you want it for then it should work, just how much more do you want.