A number of companies are now offering this product. Either rebranded, or copied.
I bought the Milwaukee version for $99 from Amazon. No tax, free shipping. Heck of a deal! Bought a second one for work. Also bought the 3' extension, allowing for a total of 6' of reach. I tried adding another extension, and it would not work. The instructions were correct, 6' maximum. Before anyone asks, I bought two extensions, one for each of the two cameras, so I don't have a spare one.
These are incredibly handy. The new house I bought is likely missing a trap on the jetted spa tub, and the access hatch is from the side. No way to peek at the plumbing without a camera like this. Upcoming weekend project.
The one I have apparently is no longer available, though the company is still making other models.
http://www.amazon.com/gp/product/B001AOVBHG/ref=wms_ohs_product
Takes a little practice to steer one of these, and understand the orientation of what you're looking at. This one has the ability to change the intensity of the LED, and has a zoom feature. Both are very handy. This one does not have a memory card and digital capture ability, which would be nice to have at times. But for $99, can't complain.