Skip to content

Hobot-388 Window Cleaning Robot With Ultrasonic Water Spray Slim Design

by Hobot

Notify me when back in stock

HOBOT-388 is a window cleaning robot carrying the new patented ultrasonic water spray nozzle that can nebulize water to 15μm mists then sprays it evenly on the glass like the effect of human exhales on the glass. Benefited from a vacuum motor inside, two specially-design cleaning wheels and a microfiber cloth, HOBOT-388 can freely move on window surfaces indoors and outdoors to polish the dust away.

While the screw-in DC power jack design can avoid losing power, the embedded UPS (Uninterrupted Power System) can prevent the robot from falling off the window, even keep the device for 20-minutes if the power cord is disconnected. Furthermore, HOBOT-388 has AI Technology used for drawing human intelligence for achieving a high cleaning performance. ever.

Everyone can enjoy the view through the spotless windows in ease!


Bio-mimicry Technology Ultrasonic Water Spray

Nebulizes water into 15 micrometer dense mist to dissolve dust and polish windows without leaving watermarks.

Water spray evenly and perfectly

Nebulized water is sprayed evenly on the surface of the window then left a beautiful C-Curve while operating. Elegantly remove the stubborn dust off the window with evenly and perfectly water spray.

Stylish and Slim Design

A new language of HOBOT window cl is with sleek lines and flat design.

One Button Easy Start

No hassle one button easy start, works like a charm!

Hold on tight! Hold on sturdy.

Carved ventilation holes also work as a pair of handy grips for you to hold HOBOT firmly.

Vacuum Motor Designed

A forceful vacuum sucks out a large proportion of the dust and also helps two cleaning wheels covered with a microfiber cloth extra removing the impurities.

Bio-mimicry Technology Rotation Brush Glass

Two specially-designed cleaning wheels instead of a driving tread. It can move freely and smoothly on the window surface without any tracks left by using a unique system of surface movements. 

AI Smart Route Plan for Through Cleaning

HOBOT moves horizontally from top to bottom and cleans the window thoroughly.

Pressure Change Detection

HOBOT is equipped with the pressure change detection module, it will automatically reverse when there's a big pressure change, HOBOT-388 can work on the edge of glass freely.


Safety First - Automatic Initialization Check

HOBOT runs a series of the function check and environment check before each task to ensure the best performance and result.

Microfiber Cleaning Cloth

The very fine and soft synthetic fabric strands are ideal for cleaning removing dust and dirt in ease and leaving no mark.

Two Specially-Designed Cleaning Wheels

Up to 70 rpm of rotated wiping to restore the window sparkling clean by imitating hand gestures to brush glass.

Working on Multi-Surface

With a high volume centrifugal pump which supplies negative pressure consistently, HOBOT is able to overcome small air leakages and move well on rough surfaces.

Smartphone Control and Remote Control

HOBOT can be controlled by both iOS and Android smartphones and remote control included in the box.

HOBOT can be controlled by both iOS and Android smartphones and remote control included in the box.

HOBOT Window Detergent

HOBOT Window Detergent is specially formulated to work with HOBOT-388 ultrasonic spray nozzle, pure water also works just fine too!

Replaceable Water Tank

In case needed to replace the clogged ultrasonic spray nozzle, simply replace the entire water tank module with one screw, HOBOT will work as new again!

 Long Power Cord

The power cord is as long as 5 meters that allows HOBOT to work on a large area or even when the power outlet is far from the window.

Embedded UPS System

Embedded UPS keeps HOBOT staying in position with alerting sound for 20 minutes.

Free Shipping

We offer free shipping on all orders to customers within the United States. Please expect approximately 1-3 business days for processing and handling, and 1-7 business days for transit. You should receive your order within 10 business days. You can see our full shipping policy here.

Easy, Free Returns

We accept returns for any reason within 30 days after you receive your order. Please email us at with your order number and we will provide detailed instructions on how to process the return. You can see our full return policy here.

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Robotic Housekeeping.

  • Free Shipping across the US. No extra charges, ever.
  • Price Match Guarantee. Best prices online guaranteed.
  • 30 Day Easy Returns. If you're not happy with your product, we'll take it back. No questions asked.
  • Great Service. We pride ourselves on providing the best service, anywhere.