Glass Cleaning Robot

Liesa offered 309 PRO Glass Cleaning Robot for you. It features an ABS+PC composite housing and integrates vacuum suction, automatic movement, and dual-direction spraying into one unit. The product has a rated power of 72W and an operating voltage of 24V. Its variable-frequency brushless suction motor runs at 29,000 RPM ±10%, with a vacuum pressure range of 2000–3200 Pa.

The 60ml water tank provides two spray volume settings, with one full tank capable of cleaning approximately 18㎡. Under specified conditions, the cleaning time is approximately 4 minutes and 40 seconds per square meter. The minimum applicable working surface is 30×30cm. The robot is suitable for glass, tiles, wooden doors, marble walls, and other smooth vertical surfaces that are compatible with vacuum suction.

Key Features

· 29,000 RPM Variable-Frequency Brushless Suction Motor — Vacuum pressure of 2000–3200 Pa, with automatic adjustment according to operating conditions.

· Dual-Direction Atomized Spray — Two spray settings, with a spray volume of approximately 0.06ml or 0.09ml per spray.

· 7 Cleaning Programs — Includes up/down, left/right, spot cleaning, and X1/X2 modes, with dry or wet cleaning options.

· 60ml Water Tank — Capable of cleaning approximately 18㎡ when fully filled.

· 20–30 Minutes of Continuous Suction After Power Failure — Built-in backup lithium battery, with a charging time of approximately 2.5 hours.

· Six-Axis Attitude + Air Pressure Sensors — Used for monitoring operating status and surface boundaries.

· 2.4G Wireless Remote Control — Maximum control distance of approximately 25 meters, with a low-battery buzzer alert.

· 5-Meter 150kgf Safety Rope — Provides an independent physical securing measure for high-level cleaning.

Applications

Residential Windows

For cleaning windows, balcony glass doors, and other smooth vertical surfaces in homes and apartments.

Homestays & Hotels

The Glass Cleaning Robot is suitable for guest room windows, glass doors, and other qualifying vertical glass surfaces in homestays, hotels, and similar facilities.

Office Buildings

For cleaning office windows, glass partitions, and other suitable flat vertical surfaces in office buildings.

Retail Stores

For routine cleaning of glass storefronts, glass doors, and display areas in retail stores.

Tile & Marble Surfaces

Suitable for tiles, marble walls, and other compatible surfaces that are relatively flat and capable of maintaining vacuum suction.

Product Parameter

Safety & Power Failure Protection

The 309 PRO Glass Cleaning Robot is equipped with a built-in backup lithium battery, which can maintain suction for approximately 20–30 minutes after external power is interrupted. The backup battery takes approximately 2.5 hours to fully charge.

The product comes standard with a 5-meter safety rope rated at 150kgf. The safety rope and vacuum suction system provide separate securing functions, adding an extra layer of physical protection during high-level cleaning.

Control & Operation

The product uses 2.4G wireless remote control, with a maximum control distance of approximately 25 meters. It provides 7 preset cleaning programs, including upward, downward, leftward, rightward, spot cleaning, and X1/X2 modes.

The X1 and X2 modes support both dry and wet cleaning. In wet cleaning mode, users can select between two spray volume settings.

The device supports a low-battery buzzer alert and manual firmware upgrades.

Standard Accessories

The standard package includes:

· Main Unit × 1

· Power Adapter × 1

· AC Power Cord

· DC Extension Cable × 1

· Cleaning Cloth × 8

· Safety Rope × 1

· Remote Control × 1

· User Manual × 1

· Spray Bottle × 1

· Backup Battery × 1

The specific package contents are subject to the final order configuration.

OEM & Private Label

Liesa provides OEM and Private Label customization to accommodate the product and packaging requirements of overseas markets.

Main customizable items include:

· Product Branding

· Color Box Design and Printing

· Multilingual User Manuals

· Gift Box Packaging

· Internal Packaging Dividers

For customers who need to sell the window cleaning robot together with products such as glass cleaning agents, the internal packaging structure can be adjusted according to the dimensions of the combined products.

Packaging & Export

The product is available in 1-unit and 5-unit packaging options. The specific carton configuration can be confirmed according to the order and transportation method.

Existing packaging specifications include:

· Color Box: 320 × 86 × 287 mm

· 1-in-1 Master Carton: 335 × 96 × 315 mm

· 5-in-1 Master Carton: 505 × 350 × 335 mm

For full-container orders, packing lists, gross weight, and net weight information can be provided according to the actual packing configuration. LCL, FCL, and split shipments can be arranged according to the order.

FAQ

Q1: What Procurement and Usage Scenarios Is the Liesa 309 PRO Glass Cleaning Robot Suitable For?

The 309 PRO Glass Cleaning Robot is mainly suitable for cleaning smooth vertical surfaces in homes, apartments, homestays, hotels, office buildings, and retail stores. For overseas buyers, it can be used for cross-border retail, offline home appliance channels, regional distribution, as well as procurement for property management and cleaning service providers.

Q2: What Type of Water Is Recommended?

Clean water or purified water is recommended. As the spray nozzles use an atomized spraying structure, liquids that may cause deposits should be avoided during daily use, and the product should be cleaned regularly according to the user instructions.

Q3: What Temperature and Humidity Conditions Can the Product Operate In?

The specified operating environment is 0–40°C, with a relative humidity of ≤85% RH. In actual use, factors such as surface temperature, condensation, and site conditions should also be taken into consideration.

Q4: What Is the Product's Service Life?

The product specification indicates a service life of ≥400 hours for the complete unit. Actual service life may vary depending on usage frequency, operating environment, maintenance practices, and component condition. The specific warranty period shall be confirmed according to the order and sales agreement.

Q5: Can It Clean Framed or Irregularly Shaped Glass?

The 309 PRO is mainly designed for smooth, relatively flat vertical surfaces, with a minimum applicable working surface of 30×30cm. For framed, curved, or irregularly shaped glass, compatibility should be assessed based on factors such as glass dimensions, frame structure, and surface flatness. Irregularly shaped glass should not be considered a universal application scenario.