Mamibot iGlassBot W120-DP: Slim Robot Window Cleaner

Cleaning high windows without a ladder is the entire pitch behind the Mamibot iGlassBot W120-DP. At just 6.9cm thick, it’s the slimmest robot window cleaner on the market, sticking to glass with strong suction while dual-direction nozzles spray and scrub in the same pass. The result is streak-free glass without the risk of standing on a windowsill.

The W120-DP runs on auto-adjusting suction between 2.5 and 3.2 kPa, with a smart algorithm reading surface conditions in real time and correcting power as it moves. Four nozzles spray water bidirectionally from a 60ml tank rated for up to 20 square meters of wet cleaning per fill, keeping the pad consistently damp through a full session.

Safety comes from a combination of gyroscopes, photoelectric sensors, and high-sensitivity pressure sensors that detect frame edges and corners before the robot gets stuck or slides off. A built-in lithium battery provides 25 minutes of backup suction if the power cuts out mid-clean, enough time to retrieve the unit safely.

At 1.4kg, the robot works on both framed and frameless vertical windows tilted more than 15 degrees, though it isn’t built for skylights or horizontal glass. Cleaning modes cover N, Z, spot, and combined X2 patterns, controllable via app or remote, with voice prompts available in up to eight languages and self-cleaning driving belts that resist tangling after each use.

Apartment dwellers with tall or awkward-angle windows get streak-free glass without hiring a service, while anyone managing a shopfront or glass balcony can run a full clean in the time it takes to do the dishes. It handles bathroom mirrors and tiled walls just as easily as exterior glass.

For a device built around one repetitive, unglamorous chore, the W120-DP brings genuine engineering to the table, auto-adjusting suction, real edge detection, and a slim enough profile to fit tight window frames. It’s a compact way to take high-rise or hard-to-reach window cleaning off the weekend to-do list for good.