The UV light built into Shark’s newest robot vacuum is on a quest to embarrass me with how many stains it’s spotted.

Does a great job both vacuuming and mopping. Stain Detect is handy and pretty consistently spots stains. Works fairly fast. Does a good job in corners. Bagless design, so you don't need to purchase bags.

At some point, many, many months ago, a glass of orange juice that was sitting on my living room bookshelf fell and spilled. I cleaned up the spill fairly quickly and was thrilled that no books were harmed, but a few weeks later, I realized just wiping away the juice hadn't stopped it from becoming a sticky patch on my floor. I eventually used a bottle of multipurpose cleaner to wipe up the sticky residue and debris, and thought the spot was all cleaned up.

But as I type this, the Shark PowerDetect UV Reveal robot vacuum has just finished spending several minutes scrubbing the area that I knew was ...