HCR-21B Square Robot Window Cleaners for Framed & Frameless Glass | Puruikai Window Cleaning Robot

PuRuiKai Window Cleaner Robot 2.68inch Ultra-Thin, Intelligent Frameless Anti-Fall, Automatic Window Cleaner for Glass, Tile, Mirror, Remote & App Control, Light & Compact

Some inventory of this item is stored in our local warehouses in Spain and Poland, If you come from European Union, you can enjoy fast and reliable shipping service.In case we do not have an overseas warehouse in your country, your order will be shipped from the nearest warehouse. This may result in a slightly longer delivery time. We truly appreciate your patience and understanding.

Our window cleaning robots are available in European, American, British, Korean, and other standard versions. We will ship the correct model according to your delivery address to ensure full compatibility with your local voltage and socket type. No plug adapter is required—simply plug it in and start using it right away.

PuRuiKai focuses on the independent development, design and manufacture of intelligent cleaning robots, upholding the mission of "Let robots serve us".

We actively explore how to bring better experience to users and look forward to let robots enter more homes around the world, so that users can easily enjoy modern smart home life with the participation of robots.

Intelligent window cleaner robot,comfortable living,efficient cleaning,frame detection, integrated frame detection sensor,automatically detects the boundaries and adjusts the direction.

Model: HCR-21B Key attributes

Dear buyers, We are glad you like this product. Our product is designed according to CE, FCC, and ROHS standards, and relevant certifications are available upon request.

Using way:

1. Wait 20 seconds after startup until the blue light stops flashing before operating the robot, as it needs time to detect the glass surface.

2. Always use the safety rope to prevent falls from height.

3. Spray a small amount of water on the mop edge during operation for better cleaning results.

4. When you receive the item,please contact us if you have any questions, we will solve it for you.

Note:

1. The machine must be operated while plugged in. The internal battery serves only as a backup to prevent sudden power loss and potential falls.

2. For your safety, always secure the safety rope when using the window cleaning robot.

3. During operation, you may lightly spray water on the mop for better cleaning performance. Do not use the robot if the mop is excessively wet.

PuRuiKai Window Cleaner Robot 

**Smarter Cleaning Starts Here**  
Say goodbye to ladders, streaks, and tedious scrubbing. The Puruikai Smart Window Cleaning Robot is your modern cleaning solution for glass surfaces — from living room windows to high-rise office panels.

**Intelligent Technology**  
Equipped with AI-powered path planning, strong suction, and edge detection, this robot cleans thoroughly and safely, detecting window frames and automatically adjusting its route for full coverage.

**Safe for High Windows**  
Built with safety in mind, the robot securely adheres to glass and includes a backup safety rope for high-rise use — giving you peace of mind while it works its magic.

**App-Controlled Convenience**  
Control the robot remotely with your smartphone. Schedule cleans, monitor progress, and customize the cleaning mode — anytime, anywhere.

**Why You’ll Love It**  
- Streak-free cleaning every time  
- Perfect for home windows, office glass, and even shower doors  
- Lightweight, easy to use, and eco-friendly  
- Backed by 30-day money-back guarantee

**Join thousands of happy customers upgrading their window cleaning routine. Order now and experience the future of home automation!**

About this item

·         [Upgrade Planning] The robot can be controlled by one key, voice broadcast, automatic cleaning; when cleaning, it can judge the environment, straight to the top corner, intelligent sensing the edget and stick around moving; after work, it will automatically return to the starting point for easy picking up.

·         [Structural Lightweighting] 2.67inch ultra-thin makes the machine only 2.87lb, but the bottom cleaning area is still big enough. Easy access to the crevices behind furniture for window wiping.

·         [Effective Cleaning] Double-sided atomized nozzle, 18μm ultra-fine water mist, alternate spraying which is more uniform; built-in 50ml water tank, can be filled with fresh water or non-corrosive cleaning supplies for the machine cleans 320-540sq ft; it also supports dry wiping without adding liquid.

·         [Easy Operation] Z/N, Z, N paths 3 automatic modes can be selected. Simulate manual window cleaning mode, alternating left and right water spray, one spray and then one wipe. Able to controlling 4 forward directions and 2 atomized water spray module freely by the remote control and cell phone App.

·         [Use with Security] built-in UPS power failure protection device, the robot still keeps suction of 20min for accidental power failure; equipped with a 267lb load-bearing climbing safety rope, when working, please wrap the rope around a stable point; four bottom corners of bearing type, flexible moving but avoid hitting the machine edge, with sensors inside, it is capable of detecting window that is frame or frameless, to avoid falling.

Puruikai is dedicated to developing smart home cleaning solutions that make everyday life safer, easier, and more efficient. From intelligent window cleaning robots to innovative household devices, we bring technology and convenience together—designed for modern families .