Cordless Window Cleaning Robot – APP & Remote Control
Meet Your New Window Cleaning Companion
Take the effort out of sparkling windows with this Cordless Electric Window Cleaning Robot (Model HCR-21). Engineered for both indoor and outdoor glass surfaces, this smart robot glides effortlessly across windows, glass walls, and frameless surfaces — leaving streak-free results every time. Simply set it, control it via the dedicated app or included remote, and let it do the work.
Made in Guangdong, China.
Key Features
- Smart APP & Remote Control: Operate hands-free from your smartphone or use the included remote for instant command.
- 2,800 Pa Suction Force: Powerful suction keeps the robot firmly secured to glass at all angles — vertical, diagonal, or horizontal.
- Automatic & Frameless Edge Detection: Intelligent sensors detect window edges and borders automatically, preventing falls and ensuring complete coverage.
- Built-In Water Spray System: Integrated spray function dampens the cleaning pad for a thorough, streak-free clean on every pass.
- Super Slim Design (75 mm): The ultra-thin profile (216 × 216 × 75 mm) allows the robot to reach tight corners and edge-to-edge coverage with ease.
- Cordless Freedom: A 500 mAh backup battery keeps the robot safely suctioned to the glass during any brief power interruption — no accidental drops.
- Low Noise Operation: Operates at just 65 dB — quiet enough to use while you work, relax, or watch TV.
- 1-Year Warranty: Backed by full manufacturer support for 12 months from purchase.
Technical Specifications
| Model | HCR-21 |
| Input Voltage | AC 100–240V, 50/60 Hz |
| Rated Power | 72 W |
| Suction Force | 2,800 Pa |
| Backup Battery | 500 mAh (safety retention) |
| Charging Time | 4 Hours |
| Dimensions | 216 × 216 × 75 mm |
| Net Weight | 1,030 g |
| Noise Level | 65 dB |
| Control Mode | APP + Remote Control |
| Certifications | CB, CE, 3C, RoHS, EMC, FCC |
| Color | White |
| Warranty | 1 Year |
Perfect For
- High-rise apartment and office building windows
- Floor-to-ceiling glass panels and glass walls
- Skylights and hard-to-reach exterior glass surfaces
- Frameless glass enclosures and shower screens
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Frequently Asked Questions
Q: How does the window cleaning robot stay attached to the glass?
A: The window cleaning robot uses a powerful 2,800 Pa motorized suction system to maintain a firm grip on glass surfaces at any angle — vertical, horizontal, or diagonal. A 500 mAh backup battery ensures the suction motor keeps running even during a brief power interruption, keeping the robot securely on the window at all times.
Q: Which surfaces can this cordless window robot clean?
A: The HCR-21 window cleaning robot is designed for smooth glass surfaces including standard framed windows, frameless glass panels, glass walls, and exterior glass. The automatic edge detection system identifies borders and stops the robot from going beyond the glass edge.
Q: How do I control the window cleaning robot?
A: You have two convenient control options. Use the dedicated smartphone app for full smart control and scheduling, or use the included remote control for direct, hands-on operation — whichever suits your preference best.
Q: What certifications does this window robot carry?
A: The HCR-21 window cleaning robot is certified to CB, CE, 3C, RoHS, EMC, and FCC standards, ensuring it meets rigorous international safety and quality requirements.
Q: Is the window cleaning robot easy to set up?
A: Yes. Simply attach the cleaning pad, connect the safety tether (recommended for high windows), place the robot on the glass, and it will self-suction into position. Download the app for guided setup or use the remote to start immediately.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.