The Kärcher RCW 2 Extra + is an advanced robotic window cleaner designed for thorough, safe and worry-free cleaning of large and hard-to-reach glass surfaces. Powerful vacuum technology ensures reliable adhesion to the glass, while systematic navigation ensures that the entire surface is cleaned without missing any spots. Two rotating discs with microfibre cloths and an ultrasonic spray system ensure spot-free results comparable to manual cleaning.

Advantages:

• Powerful vacuum technology for secure grip on smooth surfaces
• Systematic navigation with automatic direction change and return to starting point
• Two rotating discs with microfiber cloths for effective dirt removal
• Two ultrasonic spray nozzles for even, drip-free application of cleaner
• Four automatic cleaning programs and one manual mode
• Remote control for easy operation and monitoring
• Two sensors for frame and obstacle detection
• LED status display and voice output for real-time information
• Backup battery and safety rope for protection in case of power failure
• Window cleaner included for a streak-free shine

Technical specifications:

• Detergent tank capacity: 70 ml
• Cleaning capacity: 0.33 m²/min
• Suction power: 3300 Pa
• Maximum suction power: 5000 Pa
• Cable length: 5 m
• Sound pressure level: 62 dB(A)
• Sound power: < 76 dB(A)
• Minimum window size: 35 × 35 cm
• Voltage: 100-240V
• Frequency: 50 / 60 Hz
• Weight without accessories: 1.1 kg
• Weight with packaging: 2.129 kg
• Dimensions: 292 × 160 × 71 mm
• Color: white

Scope of delivery:

• Robotic window cleaner
• Remote control
• Refill bottle
• Microfiber cleaning cloths: 6 pairs
• Window cleaner RM 503, 125 ml
• Safety rope

Areas of application:

• Windows and glass surfaces
• Large and hard-to-reach glass surfaces
• Mirrors
• Other smooth surfaces

The Kärcher RCW 2 Extra + enables effortless and risk-free cleaning, as it automatically replaces manual cleaning and delivers reliable results even where cleaning is usually time-consuming or dangerous.

User view

The Kärcher RCW 2 Extra + window cleaning robot is ideal for anyone who wants to keep their windows sparkling clean with minimal effort. It is practical for young families with small children who do not have time for time-consuming cleaning, as well as for residents of higher floors where access to windows is difficult and often quite risky. Thanks to the vacuum attachment, it can tackle even larger glass surfaces without any worries, and its 5 cleaning programs and ultrasonic spraying make it easy to maintain even dirtier or hard-to-reach windows. As a reliable brand, Kärcher has long been a popular choice among users who value simplicity, quality and practical solutions for everyday home use.

Why buy at Enaa

When purchasing the Kärcher RCW 2 Extra + robotic cleaner on Enaa, you can rest assured, as you will receive helpful, friendly support, easy payment options, and always up-to-date information about products and their usability, which allows you to make a more confident decision.

Answers to frequently asked questions

Does the window cleaning robot also work on frameless windows?

Yes, the Kärcher RCW 2 Extra + is designed to securely hold onto glass without pronounced frames using vacuum attachment, but we recommend that you always follow the manufacturer's instructions regarding unusual shapes or surfaces when installing.

What maintenance does the robot need after cleaning?

After each cleaning, it is recommended to remove and clean the cleaning pads and, if necessary, empty the residual water tank, which ensures optimal performance and a long lifespan of the robot.

Can I also clean exterior windows on higher floors?

The robot is designed to safely clean exterior windows in apartment buildings, but extra caution is recommended when using it in locations with strong winds or other exposure to weather.

How long does it take on average to clean one window?

The cleaning time depends on the size and degree of dirtiness of the window and the selected cleaning method, but usually the robot thoroughly cleans one standard window in about 5-10 minutes.

Is the Kärcher RCW 2 Extra + suitable for all types of glass?

This model is suitable for most smooth glass surfaces, such as classic windows, shower enclosures or glass walls, but it is not recommended for use on structured, ornamental or heavily damaged glass for safety and effectiveness reasons.

Description updated: January 2026