All you need for an accurate scan of your swim : high buoyancy float with interchangeable arrow heads (yellow and orange) made in heavy duty plastic, two sounder leads of 85g and 120g, Submerged weed floater that can be connected to any leads and a big shock absorber bead.

Doesn't matter how far, how deep or how many obstacles in your swim, with this kit you will always be able to get all the detailed information you need from your spot.