This Prime Day Eufy robot vacuum deal is still in stock and saves you 50 percent

One of our favorite robot vacuums from Eufy, the 11S Max, has dropped to $140 thanks to Amazon Prime Day deals. That's half off its regular price and one of the best discounts we've seen — and even better, it's still in stock as of right now on day three.

This model earned a top spot on our list of the best budget-friendly robot vacuums. Arguably the coolest feature here is the 11S Max's thin profile, which allows it to slide under short tables and other places typical robovacs are too chonky to reach. It's also extremely quiet during use, so it can be operated at night without waking everyone up.

It runs for around 100 minutes per charge and it'll head to the outlet on its own for some juice. The vacuum automatically adapts suction power to suit different floor types ...