Window Washing Robot

The LIESA Model 311 Window Washing Robot is designed around a compact and lightweight structure for routine cleaning of suitable vertical glass and smooth surfaces. This China factory model uses engineering-grade ABS, a bidirectional automatic spray system, intelligent pressure monitoring and N/Z cleaning paths. Its infrared remote control, optional APP control, backup battery and 5-meter safety rope provide a practical operating system for household windows, commercial glass and other compatible vertical surfaces.

Product Specifications

Key Features & Benefits

1. Lightweight 1.4kg Body

The Window Washing Robot uses an engineering-grade ABS housing and has a net weight of only 1.4kg. The compact weight makes the robot easier to position, remove and handle during routine cleaning.

2. Bidirectional Automatic Water Spray

A bidirectional atomizing spray system distributes water from both sides of the cleaning area. The atomized spray supports wet cleaning and helps loosen surface dirt before wiping.

3. 10 Cleaning Modes

The robot provides 10 cleaning modes, including N-pattern, Z-pattern and spot-cleaning functions. Multiple cleaning routes allow the machine to adapt its movement to different cleaning tasks and suitable glass sizes.

4. UPS Backup Suction After Power Failure

The built-in UPS backup battery can maintain suction for approximately 20–30 minutes after power failure. A 5-meter safety rope is also supplied to provide additional physical protection during vertical operation.

5. Intelligent Pressure and Edge Monitoring

The 311 incorporates multiple sensors for air-pressure monitoring and edge detection. Its automatic air-pressure adjustment algorithm helps the robot respond to changes during cleaning and maintain more stable operation on suitable surfaces.

6. Automatic and Manual Control

The robot supports automatic cleaning operation while also providing infrared remote control for manual handling. APP control is available as an optional function, providing an additional control method for selected configurations.

7. 65dB Low-Noise Operation

With operating noise of approximately 65dB, the LIESA 311 is designed for use in residential and commercial environments where keeping operating noise under control is important.

8. 60 × 40cm Minimum Working Surface

The robot supports a minimum working surface size of 60 × 40cm. This specification helps buyers confirm whether a target window or other smooth vertical surface is suitable before use.

Cleaning Functions

N-Pattern and Z-Pattern Cleaning

The N- and Z-shaped movement paths provide different automatic cleaning routes for suitable vertical surfaces. Users can select the appropriate mode according to the cleaning task.

Spot Cleaning

The spot-cleaning function is designed for localized cleaning tasks where a particular area requires additional attention.

Automatic Route Control

The robot can automatically execute preset cleaning routes, reducing the need for continuous manual movement during routine operation.

Safety and Protection

The LIESA 311 combines several safety-related functions for vertical surface operation.

UPS Backup Battery
Maintains suction for approximately 20–30 minutes after power failure.

5m Safety Rope
Provides additional physical restraint during elevated cleaning tasks.

Edge Detection
Built-in sensors detect the working surface boundary to help manage the cleaning path.

Air-Pressure Monitoring
The sensor system monitors pressure conditions and works with the automatic pressure-adjustment algorithm during operation.

Low-Battery Alert
The robot provides a low-battery reminder to alert the user when battery power is low.

Applicable Surfaces

The Window Washing Robot is designed for smooth vertical surfaces and can be used on suitable:

· Glass windows

· Floor-to-ceiling windows

· Glass doors

· Smooth tile surfaces

· Suitable stone surfaces

· Other compatible smooth vertical surfaces

Before operation, the target surface should be checked to ensure that its material, flatness and condition are suitable for stable robot adhesion.

Application Scenarios

High-Rise Residential Windows

The compact 1.4kg design and automatic cleaning functions make the LIESA 311 suitable for routine cleaning of compatible residential windows.

Apartment Buildings

The robot can be used for suitable smooth vertical glass surfaces in apartments and residential properties.

Commercial Buildings

It is suitable for cleaning compatible glass surfaces in offices, shops and other commercial buildings.

Floor-to-Ceiling Windows

The robot can be applied to large smooth vertical glass surfaces such as residential and commercial floor-to-ceiling windows, provided the minimum working-surface requirement is met.

Glass Doors and Smooth Wall Surfaces

The machine can also be used on suitable glass doors, smooth tile and stone surfaces.

Control System

Infrared Remote Control

The infrared remote controller provides direct control over the robot, allowing the user to manage cleaning movements and operating modes.

Optional APP Control

For configurations supporting the function, APP control provides an additional operating method for users who prefer mobile-device interaction.

Automatic Pressure Adjustment

The built-in control algorithm automatically adjusts air pressure according to operating conditions to support stable adhesion and movement.

Anti-Freeze Control

The anti-freeze function is incorporated into the control system to support operation under applicable low-temperature conditions.

Product Design

The Window Washing Robot combines its lightweight ABS housing with a practical cleaning and control system:

Engineering-Grade ABS Housing
Provides the main structural enclosure while keeping the machine at a net weight of 1.4kg.

Bidirectional Spray Assembly
Applies water from both sides of the cleaning area for wet-cleaning operation.

Multiple Sensors
Support edge recognition and air-pressure monitoring during operation.

Multiple Cleaning Routes
Provide 10 cleaning modes, including N-pattern and Z-pattern movement.

Backup Power
Maintains suction for approximately 20–30 minutes after power interruption.

OEM and Private Label Support

The LIESA Model 311 is available for OEM and private-label projects.

Available options include:

Custom Logo
Branding can be applied to the machine according to the agreed specification.

Body Color
Product colors can be adjusted for different brand identities and market positioning.

Custom Packaging
Retail color boxes and outer packaging can be developed for overseas sales channels.

Accessory Configuration
Accessory combinations can be adjusted according to the agreed purchasing requirements.

These options are suitable for cross-border e-commerce sellers, offline retailers and commercial cleaning equipment distributors.

FAQ

Q1: What cleaning modes does the Window Washing Robot support?

The robot provides 10 cleaning modes, including N-pattern, Z-pattern and spot-cleaning functions. Infrared remote control is standard, while APP control is available as an option.

Q2: What happens if the power supply is interrupted?

The built-in UPS backup battery can maintain suction for approximately 20–30 minutes after power failure. A 5-meter safety rope is also supplied for additional physical protection.

Q3: What is the minimum working surface size?

The minimum applicable working surface is 60 × 40cm. Surfaces smaller than this size are not recommended because the robot may not be able to maintain full contact with the working area.

Q4: How much does the LIESA 311 weigh?

The robot has a net weight of approximately 1.4kg, making it relatively easy to position and remove during operation.

Q5: Does the robot support APP control?

Yes. Infrared remote control is standard, and APP control is available as an optional configuration.

Q6: What safety functions does the robot provide?

The LIESA 311 includes UPS backup suction, a 5-meter safety rope, edge detection, air-pressure monitoring and low-battery warning to support safer vertical-surface operation.

Q7: What certifications does the LIESA 311 have?

The supplied product information lists CE, FCC ID, RoHS and WEEE compliance credentials.

Q8: Can the LIESA 311 be customised for our brand?

Yes. OEM options include custom logo, body color, packaging and accessory configuration according to the agreed project requirements.