High-Efficiency PRK-28 Intelligent Window Cleaning Robot with 4 Auto Spray

2026 Window Cleaning Robot – Upgraded 4-Spray Square Model, available in 4 new appearances, all equipped with the PuRuiKai latest upgraded functions.

High-Efficiency Cleaning | Safe for Frameless Glass Powerful Suction | App & Remote Control ,Effortless, safe and intelligent window cleaning for modern homes.

https://glasklarbot.com/shorts/q-L8QaYzzFI

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.

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✨ Key Upgrades

4-Point Intelligent Spraying System
Covers wider cleaning area with precise atomized water spray for streak-free results.

Full-Edge, No-Dead-Corner Cleaning
Optimized route planning ensures every corner is reached — including window edges.

Enhanced Strong Suction
Provides secure attachment even on high or outdoor windows for safe operation.

High-Efficiency Brushless Motor
More durable, quieter, and more powerful compared to traditional motors.

One-Button Auto Cleaning Modes
Multiple cleaning paths to suit different window layouts.

Anti-Drop Safety System
Built-in vacuum detection + security rope for double protection.

Ideal for Homes, Offices & High Windows
Works on framed/unframed glass, mirrors, tiles & more.

1.High-Efficiency Cleaning

The PRK-28 features an upgraded four-nozzle intelligent spray system, delivering fine and uniform mist that improves stain removal efficiency.
Its square cleaning structure ensures full-edge coverage, while the above 3000Pa suction provides stable and secure operation.
High-density microfiber pads remove dust, fingerprints and grease without streaks.
AI-powered navigation plans efficient Z or N routes.
The built-in UPS anti-fall system protects the robot during power interruptions.
Remote control operation allows easy start, stop and direction adjustments.
Suitable for windows, mirrors, tiles and various smooth surfaces.

2. What’s Inside the Box

Includes the PRK-28 robot, remote control, microfiber pads, safety rope, empty cleaning-solution bottle, power adapter with extension cable and an English user manual.

3. Why Choose PRK-28

The four-nozzle spray system enhances deep cleaning, especially for stubborn stains.
Ideal for high or hard-to-reach windows, eliminating the need for ladders.
Provides streak-free results with upgraded microfiber pads.
Perfect for busy households—cleaning is fully automated.
Highly efficient for both residential and commercial large windows.

4. Technical Specifications

Model: PRK-28 Square Window Cleaning Robot
Suction Power: above 3000Pa
Spray System: Four intelligent spray nozzles
Cleaning Speed: 2.2 minutes per square meter
Power Supply: 100–240V
Safety System: UPS backup and anti-fall monitoring
Noise Level: < 65dB
Cable Length: 4m
Weight: 2.0kg
Applicable Glass: All standard flat household windows

5. How PRK-28 Works

Attach the microfiber pads, add cleaning solution if needed, place the robot on the window, power on and select a cleaning mode.
The robot automatically sprays, wipes and navigates, then returns to the starting point when finished.

6. Cleaning Modes

Includes automatic Z-route mode, automatic N-route mode, manual directional control and spot-cleaning mode for heavily stained areas.

7. Suitable Cleaning Surfaces

Works on framed and frameless windows, full-height glass, balcony and patio doors, mirrors, shower glass and smooth tile surfaces.

8. Safety Instructions

Always attach the safety rope when cleaning high windows.
Ensure the glass is intact.
Avoid outdoor use during strong wind.
Keep the robot connected to power throughout use.

9. Warranty & Support

Two-year warranty covering manufacturing defects.
Excludes damages from misuse or unauthorized disassembly.
Provides email, chat and video support.
Free replacement for confirmed defect cases.

10. FAQ

Compatible with frameless windows.
Effective for heavily stained glass; pre-spraying can further improve results.
Monitoring is recommended during high-altitude cleaning.
Microfiber pads ensure streak-free performance.
Not recommended for curved car windows.

Upgrade your home with the PRK-28—smarter, safer and clearer window cleaning with every use.