The PCFF80 is a full-featured dual frequency high resolution PC based color fishfinder runs under windows 98, NT, 2000, XP, Vista and Win7 in both analog and DSP mode (Digital Signal Processing). Turn your laptop or desktop computer into a full-color fishfinder with a huge display screen and save thousands of dollars. Compare the cost and resolution of the PcFF80 full-color 1024 x 768 pixel display screen with that of fishfinders costing as much as US$6000. Unlike a standard fishfinder that is born with all the capability it will ever have, the PcFF80 PC Fishfinder can be updated via just a software change and will never go obsolete.