Introduction
Thank you for choosing the Lefant M350 Max Robot Vacuum and Mop. This device is designed to provide efficient and hands-free cleaning for your home, combining powerful vacuuming with effective mopping. It features a self-emptying station, advanced obstacle avoidance, smart mapping, and app control for a comprehensive cleaning experience. Please read this manual thoroughly before use to ensure proper operation and maintenance.
What's in the Box
Carefully unpack all components and check against the list below. If any items are missing or damaged, please contact Lefant customer support.
- Robot Vacuum (x1)
- Self-Emptying Station (x1)
- Mop Holder (x1)
- Power Cord (x1)
- User Manual (x1)
- Dust Bag (x2)
- Washable Mop Cloth (x2)
- HEPA Filter (x2)
- Cleaning Tool (x1)
- Side Brush (x2)
- Filter Sponge (x2)
- Disposable Dry Mop (x1)

Image: All components included in the Lefant M350 Max package.
Product Overview
Robot Vacuum
The Lefant M350 Max robot vacuum features a compact, ultra-slim design allowing it to clean under furniture. It is equipped with various sensors for navigation and obstacle detection, a main brush, side brushes, and a detachable mop holder for combined vacuuming and mopping.

Image: The ultra-slim design of the Lefant M350 Max, demonstrating its ability to clean under low furniture.
Self-Emptying Station
The self-emptying station automatically transfers dust and debris from the robot's dustbin into a 2.2L disposable dust bag, providing up to 75 days of hands-free cleaning. It also serves as the charging dock for the robot.

Image: The Lefant M350 Max robot vacuum and its self-emptying station, illustrating the 75-day hands-free cleaning capability.
Setup
1. Place the Self-Emptying Station
- Place the station on a hard, level surface against a wall.
- Ensure there is at least 0.5 meters (1.6 feet) of clear space on both sides and 1.5 meters (4.9 feet) in front of the station.
- Keep the area free of obstacles, such as power cords or rugs, that could interfere with docking.
- Plug the power cord into the station and a wall outlet.
2. Initial Charging
Place the robot vacuum onto the charging contacts of the self-emptying station. Ensure the robot is properly aligned. The robot will begin charging automatically. For first-time use, fully charge the robot before operation (approximately 4-5 hours).
3. Install the Lefant App
- Download the "Lefant" app from the App Store (iOS) or Google Play Store (Android).
- Open the app and create an account.
- Follow the in-app instructions to add your M350 Max robot vacuum. This typically involves connecting to a 2.4GHz Wi-Fi network.
Operating Instructions
Starting a Cleaning Cycle
- Manual Start: Press the power button on the robot once to start a cleaning cycle.
- App Control: Open the Lefant app, select your M350 Max, and tap the "Start Cleaning" button.
- Voice Control: Use Amazon Alexa or Google Assistant by saying commands like "Alexa, ask robot to clean" or "Hey Google, start cleaning with Lefant."

Image: Controlling the Lefant M350 Max via the mobile application, showcasing various cleaning options.

Image: Smart voice control integration with Amazon Alexa and Google Assistant for the Lefant M350 Max.
Cleaning Modes and Features
- Vacuum & Mop: The M350 Max can vacuum and mop simultaneously. Attach the mop holder with a wet mop cloth and ensure the water tank is filled.
- Suction Levels: Adjust suction power (4 levels) via the app to suit different floor types and cleaning needs. The robot features 10,000Pa HyperForce suction.
- Water Flow Levels: Control water output (3 levels) for mopping through the app.
- Smart Mapping: The robot utilizes matrix cleaning technology to map your home and clean in a precise grid pattern for comprehensive coverage.
- PSD Obstacle Avoidance: The 190° PSD precision obstacle detection system helps the robot avoid furniture, cords, and other objects.
- No-Go Zones: Set virtual boundaries in the app to prevent the robot from entering specific areas.
- Scheduled Cleaning: Program cleaning schedules through the app for automated cleaning.
- Auto-Recharging: The robot automatically returns to the self-emptying station to recharge when its battery is low or a cleaning cycle is complete.

Image: The 3-in-1 sweeping, vacuuming, and mopping capabilities of the Lefant M350 Max.

Image: The powerful 10,000Pa suction of the Lefant M350 Max, capable of picking up various debris.

Image: The 190° PSD precision obstacle detection system of the M350 Max, showing its ability to avoid objects.

Image: Advanced Zone Protection feature, allowing users to designate No-Go Zones via the app.

Image: The auto-recharging function of the Lefant M350 Max, highlighting its battery life and cleaning area.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your Lefant M350 Max.
1. Emptying the Self-Emptying Station Dust Bag
- The app will notify you when the dust bag is full (approximately every 75 days).
- Open the lid of the self-emptying station.
- Carefully remove the full dust bag and dispose of it.
- Insert a new dust bag, ensuring it is properly seated.
- Close the lid securely.
2. Cleaning the Robot Dustbin and Filters
- Press the dustbin release button on the robot and remove the dustbin.
- Empty the dustbin contents into a trash can.
- Remove the HEPA filter and filter sponge. Tap them gently to remove dust. Do not wash HEPA filters with water.
- Rinse the dustbin with water if necessary, ensuring it is completely dry before reinstallation.
- Reinstall the filter sponge, HEPA filter, and dustbin into the robot.
3. Cleaning Brushes
- Side Brushes: Regularly check for tangled hair or debris. Use the cleaning tool to cut and remove any tangled hair. If brushes are worn, replace them.
- Main Brush (if applicable): Remove the main brush cover and lift out the brush. Use the cleaning tool to remove hair and debris. Reinstall the brush and cover.
4. Cleaning Sensors and Charging Contacts
- Wipe all sensors (cliff sensors, anti-collision sensors) and charging contacts on both the robot and the station with a clean, dry cloth.
5. Water Tank and Mop Cloth Maintenance
- After mopping, empty any remaining water from the water tank.
- Remove the mop cloth from the holder and wash it thoroughly. Allow it to air dry completely before reuse.
Troubleshooting
If you encounter issues with your Lefant M350 Max, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Robot does not turn on or charge. | Battery depleted; charging contacts dirty; power cord not connected. | Ensure robot is properly docked. Clean charging contacts. Check power cord connection to station and outlet. |
| Robot gets stuck frequently. | Too many obstacles; sensors dirty; no-go zones not set. | Clear clutter from cleaning path. Clean all sensors. Set no-go zones in the app for problem areas. |
| Poor cleaning performance. | Dustbin full; filters clogged; brushes tangled/worn. | Empty dustbin. Clean or replace filters. Clean or replace side brushes and main brush. |
| Robot cannot connect to Wi-Fi/App. | Incorrect Wi-Fi password; 5GHz network; router too far. | Ensure correct 2.4GHz Wi-Fi network and password. Move robot closer to router. Restart router and robot. |
| Self-emptying not working. | Dust bag full; dust bag not installed correctly; suction port blocked. | Replace dust bag. Ensure dust bag is fully inserted. Check for blockages in the station's suction port. |
Specifications
| Feature | Specification |
|---|---|
| Brand | Lefant |
| Model Name | M350 Max |
| Suction Power | 10,000Pa |
| Battery Life | Up to 240 minutes |
| Battery Type | Lithium Ion |
| Self-Emptying Dust Bag Capacity | 2.2L (up to 75 days) |
| Robot Dustbin Capacity | 250ml |
| Water Tank Capacity | 300ml |
| Filter Type | HEPA filter |
| Connectivity | 2.4G WiFi, App Control, Alexa, Google Assistant |
| Obstacle Avoidance | PSD Obstacle Avoidance System |
| Dimensions (L x W x H) | 12.6"L x 12.6"W x 3.74"H |
| Surface Recommendation | Hard Floor, Carpet |
Safety Information
Please read and follow all safety instructions to prevent injury or damage.
- This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
- Children should be supervised to ensure they do not play with the appliance.
- Cleaning and user maintenance shall not be made by children without supervision.
- Do not use the robot in wet environments or near water.
- Remove loose cables, small objects, and fragile items from the cleaning path before operation.
- Do not use the robot to pick up large debris, liquids, or burning objects.
- Only use the original power adapter and charging station provided by Lefant.
- Do not disassemble, repair, or modify the robot or charging station yourself. Contact customer service for assistance.
Warranty and Support
Lefant products come with a standard manufacturer's warranty. For detailed warranty information, please refer to the warranty card included in your package or visit the official Lefant website. For technical support, troubleshooting assistance, or to order replacement parts, please contact Lefant customer service through the contact information provided in the app or on the official website.