Introduction
The LEFANT M330Pro is an advanced robot vacuum cleaner and floor washer designed to provide efficient and thorough cleaning for various floor types. Featuring dToF laser navigation, powerful 5000Pa suction, and smart obstacle avoidance, it offers a customized cleaning experience controlled via app and voice commands.
Product Features
- dToF Laser Navigation & 3-Level Mapping: Ensures accurate mapping and efficient cleaning paths, day or night. Supports multi-level mapping for complex home layouts.
- 3-in-1 Deep Cleaning: Sweeps, vacuums, and mops simultaneously, handling dust and stains effectively.
- Smart Carpet Recognition: Automatically increases suction power on carpets for deeper cleaning and reduces power on hard floors to save energy and reduce noise.
- Customized Cleaning Experience: The Lefant app allows for personalized cleaning plans, including room-specific modes, targeted cleaning for specific areas, and flexible zone editing.
- Compact Design: With a slim 28 cm body, the M330Pro easily navigates under furniture like chairs, sofas, and beds.
- Extended Runtime: Equipped with a high-capacity battery, it operates for up to 150 minutes on a single charge, covering large homes and automatically returning to its charging station.
- Smart App & Voice Control: Control cleaning schedules, modes, and direction via the dedicated app. Compatible with Google Assistant and Amazon Alexa for voice commands.
- PSD Obstacle Avoidance: Advanced sensors detect and avoid obstacles to prevent collisions and ensure smooth operation.
Setup
Connecting the LEFANT M330Pro Robot Vacuum Cleaner
Follow these steps to connect your robot vacuum cleaner to the Lefant app and your home network:
- Press and hold the start button for 3 seconds to power on the robot.
- Download the Lefant app from the App Store or Google Play Store. You can scan the QR code provided in the manual or on the product packaging.
- Press and hold the start button for 6 seconds until the light starts flashing, indicating network configuration mode.
- Open the Lefant app and add the M330Pro robot vacuum cleaner.
- Connect to a 2.4 GHz / 5 GHz Wi-Fi network.
- Wait for the connection to complete.

Image: Detailed steps for connecting the Lefant M330 Pro to the mobile application and Wi-Fi network. The image shows the robot, a QR code for app download, and sequential screenshots of the app interface during the connection process.
Download the Lefant App: https://mobile.useerobot.com/#/pages/center/downloadLink/downloadLink
Connecting to Amazon Alexa
Integrate your M330Pro with Amazon Alexa for convenient voice control:
- Open the Lefant app, navigate to 'Mine', then 'Third-party voice service' to access the service.
- Register your voice account and password.
- Open the Alexa app, go to 'More' then 'Skills & Games'.
- Search for 'Smart Life'.
- Click on 'Enable to Use'.
- Select your region and enter the voice account and password from step 2.
- Wait for the connection to complete.

Image: Step-by-step guide on how to connect the Lefant M330 Pro robot vacuum cleaner to Amazon Alexa for voice control, showing app screenshots for each stage of the process.
Controlling with Apple Watch
For added convenience, you can control your Lefant robot using your Apple Watch:
- Download the Lefant app and the Apple Watch app on your mobile phone.
- Pair your Apple Watch with your iPhone.
- Select the Lefant app on your Apple Watch.
- Remember to click on the Lefant app on your phone and log in.
- Once logged in, connect your robot.
- Return to your Apple Watch, from which you can now control your robot.

Image: Instructions for controlling the Lefant robot vacuum cleaner using an Apple Watch, illustrating the necessary app installations and pairing steps on both the iPhone and Apple Watch.
Operating the Robot Vacuum
Cleaning Modes and Customization
The M330Pro offers various cleaning modes and customization options through the Lefant app:
- Multi-level Mapping: The dToF laser navigation system creates precise maps of your home, supporting up to three levels.
- Custom Routines: Set specific cleaning schedules and modes for individual rooms or areas.
- Targeted Cleaning: Direct the robot to clean specific spots or zones for deep cleaning.
- No-Go Zones: Define virtual boundaries to prevent the robot from entering certain areas, protecting fragile items or pet zones.
- Do Not Disturb Mode: Schedule periods when the robot will not operate.

Image: Illustration of smart personalized cleaning, showing a multi-story house plan with different cleaning schedules set for various rooms, highlighting the 150 minutes of autonomy and 150 sqm maximum coverage.

Image: A visual representation of the Lefant app interface, showcasing various control options such as cleaning scheduling, personalized routines, do not disturb mode, no-go zones, zone-specific cleaning, smart mapping, suction control, and one-touch cleaning.
Obstacle Avoidance and Navigation
The M330Pro utilizes advanced PSD obstacle avoidance technology to navigate your home safely and efficiently, preventing collisions with furniture and other objects.

Image: Comparison of the Lefant M330 Pro's precise obstacle detection and avoidance (PSD technology) versus other robot vacuums that may collide with objects. The M330 Pro is shown navigating around toys and a sleeping dog.
Automatic Recharging
When the battery is low or cleaning is complete, the M330Pro will automatically return to its charging station to recharge, ensuring it's always ready for the next cleaning cycle.

Image: A collage illustrating key features of the Lefant M330 Pro, including its 200ml water tank, 150 minutes of runtime, 150 square meters of coverage, and the automatic recharge and resume function, showing the robot returning to its charging dock.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your LEFANT M330Pro. Always power off the robot before performing any maintenance.
Dustbin and Filter Cleaning
The M330Pro features a transparent 450ml dustbin for easy monitoring. Empty the dustbin after each cleaning cycle or when full. Clean the filters regularly to maintain strong suction power.
- Open the robot's top cover to access the dustbin.
- Remove the dustbin and empty its contents into a trash bin.
- Separate the filters from the dustbin and gently tap them to remove dust. For thorough cleaning, rinse the filters under running water if they are washable (refer to specific instructions in the full manual) and allow them to air dry completely before reinserting.
- Wipe the inside of the dustbin with a dry cloth.
- Reassemble the filters and dustbin, then place them back into the robot.

Image: A visual comparison highlighting the Lefant M330 Pro's 450ml transparent dustbin, emphasizing visible dirt collection and less frequent emptying compared to a smaller 300ml dustbin in another model.
Water Tank and Mopping Pad Cleaning
If using the mopping function, ensure the 200ml water tank is filled with clean water. After mopping, empty any remaining water and clean the mopping pad.
- Remove the water tank from the robot.
- Empty any leftover water.
- Detach the mopping pad and wash it thoroughly. Allow it to air dry completely.
- Wipe the water tank with a dry cloth.
- Reattach the dry mopping pad and reinsert the water tank.

Image: Depicts the Lefant M330 Pro's 3-in-1 cleaning capability (sweeping, vacuuming, mopping) and highlights its 200ml water reservoir, indicating 99% cleaning efficiency.
Brushless Suction Port
The M330Pro features a unique brushless suction port, which helps prevent hair tangles, especially useful for pet owners. Periodically check the suction port for any blockages and clear them as needed.

Image: Illustrates the unique brushless vacuum port design of the Lefant M330 Pro, comparing it to other models that may have traditional brushes, emphasizing its anti-tangle benefits.
Troubleshooting
If you encounter issues with your LEFANT M330Pro, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Robot does not start or respond. | Low battery; Power switch off; Robot stuck. | Charge the robot; Ensure power switch is ON; Clear any obstructions. |
| Robot loses map or navigation issues. | Environment changes; Sensors dirty; Software glitch. | Ensure consistent environment; Clean dToF laser and other sensors; Restart the robot and try re-mapping. |
| Poor suction performance. | Full dustbin; Clogged filter; Blocked suction port. | Empty dustbin; Clean or replace filter; Clear any blockages from the suction port. |
| Water leakage during mopping. | Improper water tank installation; Damaged water tank. | Ensure water tank is correctly installed; Check for cracks or damage to the tank. |
| Robot cannot connect to Wi-Fi/App. | Incorrect Wi-Fi password; Router issues; Robot too far from router; Wrong Wi-Fi band (only 2.4GHz/5GHz supported). | Verify password; Restart router; Move robot closer to router; Ensure you are connecting to a compatible Wi-Fi band. |
| Robot gets stuck frequently. | Small obstacles; Loose cables; Dark surfaces. | Clear small objects and cables; Use No-Go Zones for problematic areas; Ensure adequate lighting for navigation. |
Specifications
| Feature | Specification |
|---|---|
| Brand | LEFANT |
| Model Name | M330 Pro |
| Color | Grey |
| Product Dimensions | 28 x 28 x 9.5 cm |
| Item Weight | 2.15 Kilograms |
| Dustbin Capacity | 450 ml |
| Water Tank Capacity | 200 ml |
| Voltage | 220 Volts |
| Material | Plastic |
| Runtime | Up to 150 minutes (2 hours and 30 minutes) |
| Compatible Devices | Smartphone (App Control), Amazon Alexa, Google Assistant |
| Special Features | Mapping, 5000Pa Suction, dToF Laser Navigation, PSD Obstacle Avoidance, 150min Autonomy, WiFi 2.4G/5G, Alexa, for Pet Hair and Mixed Floors |
| Recommended Surfaces | Hard floor, Parquet, Tiles, Marble, Carpet |
Warranty and Support
LEFANT products are designed for reliability and performance. For warranty information, please refer to the documentation included with your product or visit the official LEFANT website. If you require technical assistance, troubleshooting, or have questions about your M330Pro, please contact LEFANT customer support through the following channels:
- Official Website: Visit the LEFANT official website for FAQs, support resources, and contact information.
- Lefant App: The app often includes a support section where you can find help or submit inquiries.
- Email Support: Refer to your product packaging or the official website for the customer service email address.
Please have your product model (M330 Pro) and purchase details ready when contacting support to ensure efficient service.





