Roborock Saros 20

The dock empties the robot's 259 mL bin into a 2.7 L bag automatically, so it goes weeks between changes. Its 4 L clean tank and 3.5 L dirty tank also last many sessions before refilling or emptying.

At 3.1 inches tall, the robot slides under many couches, beds, and cabinets. Its dock is larger, so plan for floor space near an outlet that is about 15 inches wide and 19 inches tall.

Yes. It lifts the mop pads up to 20 mm and can detach them before crossing carpet, keeping rugs dry. Smart Carpet Cleaning also boosts suction when it detects carpet.

An extendable side brush and extendable mop reach outward toward walls and corners, so debris and edges get closer attention than a fixed-arm design allows.

Yes. It uses a combo bristle-and-rubber main brush with anti-tangle design, which helps keep long hair and pet fur from wrapping around the roller.