3499F Mini Drain/Pipe Inspection Camera System with 20m~60m (66~197ft) Cable
This is a professional video inspection camera designed for inspection of sewer, pipe, air ducts, underground cable pipes, etc.. Equipped with a 14-23mm camera head, 20-60m fiberglass cable 10'' LCD monitor with SD card recording, it's a great choice for pipe DN 20MM - 80MM.
Youtube video: https://www.youtube.com/watch?v=JtqVqOPcHnY