Utilize The Discovery Camera Inspection System to improve your CCTV needs! This robust tractor system has an expansive range of attachments to take a 6" crawler and size it up to 72" Diameter with up to 1,650' of cable! Need larger? Simply detach the camera and perform a walk through. Too much water? Try The S.S. Sewer Seeker attachment to float your boat! Odd Shapes? Use the Elliptical Kit. Want smaller? We even have a 4" unit available. Want more options? Add an Alien Probe for Inspecting Laterals, A sonar for Location, A Cyclopes Scanner for Realtime Ovality, and much more! With the Discovery System your options are endless!