NARWAL T10 Mop Robot, 4-in-1 Robot Vacuum and Mop with Self Cleaning Station, Self Washing and Drying Robot Mop with LiDAR Navigation, Smart Mapping, 2 Suction Mode for Hard Floor and Pet Hair, White

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Mopping starts at the farthest distance from the base station to avoid dirty mops covering already-cleaned floors. The Narwal did a much better job than the cloth-dragging hybrid vacuum/mops I’ve used, and about as good as I would do with a Swiffer. There was a blob of unidentifiable gunk the consistency of children’s putty that I thought sure I’d have to scrape up manually, but the Narwal scrubbed it off with no problem. Best of all, I didn’t have to clean that or any other dirt off the mop once the job was done—I just emptied the dirty water tank. The base unit for the T10 is one of the biggest we’ve seen for a robot vacuum, and you’ll want to make sure that there’s enough space for it wherever it’s being set up. Inside the base station, you’ll find two large 1.1-gallon tanks – one for clean water and one for dirty water that is siphoned in while the mopping pads are being cleaned. The tanks are durable and easy to take out, and can be cleaned or refilled without any complications. Say goodbye to filling tiny trays with water – this massive tank capacity means that you can go through several cleaning cycles before the robot reminds you to add in more water or clean the dirty water tank.

This cryptic error message popped up repeatedly as I was trying to partition rooms on the app’s map of my home.And some of the available names are just…strange. You can’t label the room where you eat your meals “dining room,” but you can call it “restaurant.” There is a “kitchen” label, fortunately. You can name your master bedroom as such, but you can have only one other bedroom, and it will be labeled “secondary bedroom” or “children room.” You can have a “study,” but not a home office; and you can have a “living room” but not a home theater, great room, or rumpus room. You can have only one bathroom. Your remaining choices are “cloak room,”“corridor,”“balcony,” and “other.” Michael Brown / IDG Before you start a mopping run, you drop a detergent/antibacterial sheet into the Narwal T10 base station’s 5-liter (1.3-gallon) clean water tank (there’s an equal-sized waste-water tank). The detergent sheet instantly dissolves and disperses throughout the clean water. Wands inside the base station spray this water on the Narwal’s pads, and then the robot travels to the farthest point on its map and commences scrubbing the floor. “Scrubbing” is not an overstatement. The Narwal applies 10N (Newtons) of pressure to these pads as they spin. Michael Brown / IDG

When you need to mop, simply swap out the vacuum module for the two triangular pads, press the start button on the base station, and the T10 takes care of the rest. The base station first sprays clean water onto the pads, after which the robot will head to the room that’s furthest from the base station and start mopping. The logic behind this is so that the dirty pads aren’t dragged over already-cleaned surfaces. The brush module detaches from the bottom of the vacuum so you can attach the mop pads to its motorized spindles. Greatness nearly undone by a mess of an app

Despite this unique self-cleaning mechanism, you’re going to want to pull off the pads from time to time and wash them properly by hand. Even after a cleaning in the base station, the pads were still quite dirty, so you’ll want to make sure that the pads are properly cleaned every few cycles.