Lefant M210 Robot Vacuum Cleaner, 120-Min Runtime, vs RMQDHOC Water Tank. Compatible For OZMO PRO Mop
Updated August 2026 — Lefant M210 Robot Vacuum Cleaner, 120-Min Runtime, leads on app control and battery life.
The Lefant M210 Robot Vacuum Cleaner offers superior cleaning capabilities and advanced features compared to the RMQDHOC Water Tank, making it the better choice for most users.
Why Lefant M210 Robot Vacuum Cleaner, 120-Min Runtime, is better
Cleaning Performance
M210 has powerful suction and multiple cleaning modes.
Smart Features
M210 includes app and voice control.
Runtime
M210 offers 120 minutes of runtime.
Why RMQDHOC Water Tank. Compatible For OZMO PRO Mop is better
Price
RMQDHOC is significantly cheaper.
Compatibility
RMQDHOC is designed for existing Ecovacs systems.
Ease of Use
RMQDHOC is easy to install.
Overall score
Specifications
| Spec | Lefant M210 Robot Vacuum Cleaner, 120-Min Runtime, | RMQDHOC Water Tank. Compatible For OZMO PRO Mop |
|---|---|---|
| Suction Power | Strong | N/A |
| Cleaning Modes | 6 modes | N/A |
| App Control | Yes | No |
| Voice Control | Yes | No |
| Durability | High | Moderate |
Dimension comparison
Overview of the Products
When comparing the Lefant M210 Robot Vacuum Cleaner and the RMQDHOC Water Tank, it's essential to note their distinct purposes and functionalities. The Lefant M210 is a robot vacuum cleaner designed for efficient cleaning, while the RMQDHOC Water Tank is an accessory compatible with various Ecovacs models. The Lefant M210 is priced at $175.64, whereas the RMQDHOC Water Tank is significantly cheaper at $35.98, making it about 80% less expensive.
Cleaning Performance
The Lefant M210 Robot Vacuum Cleaner excels in cleaning performance with its powerful suction and unique suction port design. It can achieve a cleaning efficiency of up to 90%, making it particularly suitable for pet owners. The M210 features multiple cleaning modes, including zigzag, random, spot, edge, scheduled, and manual control, allowing users to tailor the cleaning process to their needs. In contrast, the RMQDHOC Water Tank serves a different function, primarily enhancing the cleaning capabilities of compatible mopping systems. While it improves mopping efficiency, it doesn't provide any direct cleaning power on its own.
Design and Build Quality
The Lefant M210 showcases a compact and sleek design, with an 11-inch diameter and a height of just 2.99 inches. This design allows it to navigate under furniture easily, maximizing its cleaning reach. The RMQDHOC Water Tank is designed for compatibility rather than independent use, focusing on enhancing existing systems. It is made from high-quality materials, ensuring durability and a stable connection when attached to compatible vacuums. While the M210 is a complete cleaning unit, the RMQDHOC is an accessory that complements other devices.
Features and Technology
The Lefant M210 comes equipped with advanced features such as scheduled cleaning, smart app control, and voice compatibility with Alexa and Google Assistant. These features allow for convenient cleaning management, with the ability to monitor and adjust settings remotely. The RMQDHOC Water Tank focuses on being user-friendly, emphasizing easy installation and compatibility with existing cleaning systems. It boasts a double increase in capacity, reducing the frequency of refills during use, but lacks the smart technology offerings present in the Lefant M210.
Runtime and Efficiency
The Lefant M210 boasts a runtime of up to 120 minutes, allowing it to cover approximately 1,300 square feet on a single charge. This long runtime ensures effective cleaning without frequent interruptions. The RMQDHOC Water Tank, while enhancing cleaning efficiency, does not have a runtime as it is not a standalone device. Its capacity for water enables longer mopping sessions but does not directly translate to operational duration like the M210’s battery-powered functionality.
Maintenance and Support
When it comes to maintenance, the Lefant M210 includes a large 500ml dustbin and comes with additional accessories such as HEPA filters and side brushes, ensuring that users have the necessary tools for upkeep. The RMQDHOC Water Tank offers high-quality after-sales service, which can be a significant advantage for users concerned about long-term support. While the M210 is a self-contained unit requiring regular maintenance, the RMQDHOC focuses on being a hassle-free accessory that integrates seamlessly with other cleaning devices.
Price Comparison
The pricing of these two products shows a notable difference. The Lefant M210 is priced at $175.64, while the RMQDHOC Water Tank is available for $35.98. This puts the water tank at about 80% cheaper than the robot vacuum, making it a more budget-friendly option for those looking for an accessory rather than a complete cleaning solution. However, the M210's price reflects its advanced features and autonomous capabilities that the RMQDHOC cannot provide.
Which should you buy?
Deciding between the Lefant M210 Robot Vacuum Cleaner and the RMQDHOC Water Tank depends on your cleaning needs. If you require a full-fledged robot vacuum that can handle various cleaning tasks and adapt to different environments, the Lefant M210 is the clear choice with its powerful suction and smart capabilities. On the other hand, if you already own a compatible Ecovacs vacuum and need a reliable water tank for efficient mopping, the RMQDHOC offers great value at a lower price point. Ultimately, your decision should align with whether you need a standalone cleaning device or an accessory to enhance your existing setup.

