When it spots something, it will slow down and do a more thorough cleaning. I also like Dreame’s option to vacuum first and then mop, which the Roborock doesn’t offer. Vacuum the house? Clean the pool? Not your job anymore. JB's got robot vacuums from big names like Ecovacs, Eufy, https://www.youtube.com/watch?v=Lhgk6D1ayeM&