The Dreame L40 Ultra high-end robot vacuum and mop delivers excellent suction and thorough cleaning capabilities - and it's $1,000 off right now and it won't last long.
Source: ADnet
Source Link: https://www.zdnet.com/article/the-most-underrated-robot-vacuum-ive-tested-just-hit-its-lowest-price-ever-at-1000-off/