Si-Tex Fishfinder 5.7in 600W 50/200KHz No Xdcr New Condition CVS-126. 7in 600W 50/200KHz No Xdcr on your water craft is a great way to make sure fish don't get away. These Fishfinders made by Si-Tex use a 600W 50/200KHz transducer that is NOT included...