Sewer pipe cameras like this Ridgid model 40818 are used for pipe imaging even in D.I.Y. do it your self situations. Often the largest hurdle is in locating trouble spots. Once located precisely with this camera in conjunction with the sonde & locater, a lot of guesswork is gone. At Gap Power Rentals we take the time to explain proper use before you leave and are available to you during the project. Sometimes referred to as a camera snake. Often used in conjunction with a sewer auger or drain auger or Pipe televising tool