Endoscope Camera is a free utility for Android devices that allows you to view the interior of your plumbing system or sewers without the need to enter the drain.

This is a great tool for those looking to make a home inspection. With this, you'll be able to take pictures of the drain and also record videos so you can playback them later. This is a very simple tool that doesn't require much knowledge to operate, so it is perfect for those who are looking to learn more about plumbing and also for those who just want to see what a drain looks like.