| Dreame L40 Ultra | |
| Photo |  |
| Where to buy | |
| SRR Score | 238 |
| Mapping / Path planning | Yes |
| Mapping Sensor Type | LDS |
| High-Precision Map | Yes |
| Objects recognition (front camera) | Yes |
| Recharge & Resume | Yes |
| Autocally Docks and Recharges | Yes |
| Noise Level | N/A |
| Display | No |
| Side Brushes (one or two) | 1 |
| Voice Prompts | Yes |
| Cleaning Features | |
| Suction Power | 11000 Pa |
| Сleaning Area | N/A |
| Dustbin Capacity | N/A |
| Disposable dustbag capacity | 3200 L |
| Automatic Dirt Disposal | Yes |
| Barrier-cross Height | 20 mm / 0.79 in |
| HEPA filter | Yes |
| Washable Filter | Yes |
| Mopping Features | |
| Wet Mopping | Yes |
| Electric water flow control | Yes |
| Water Tank Capacity | N/A |
| Vibrating mopping pad | No |
| Automatic mop lifting | Yes |
| Auto water tank refilling | Yes |
| Auto mop washing | Yes |
| Battery | |
| Battery Capacity | N/A |
| Battery life | 180 min |
| Charging Time | N/A |
| Rated Power (Watts) | N/A |
| Control | |
| Scheduling | Yes |
| IR/RF Remote Control | No |
| Wi-Fi / Smartphone App | Yes |
| Wi-Fi Frequency Band | 2.4 GHz |
| Amazon Alexa Support | Yes |
| Google Assistant Support | Yes |
| Magnetic/Optical Virtual Walls | No |
| App Features | |
| Real-time tracking | Yes |
| Digital Blocked Areas | Yes |
| Zoned cleaning | Yes |
| Multi-floor maps | Yes |
| Manual movement control | Yes |
| Selected Room Cleaning | Yes |
| No-mop zones | Yes |
| Sensors | |
| Carpet Boost | Yes |
| Anti-drop / Cliff Sensor | Yes |
| Dirt Sensor | Yes |
| Full Dustbin Sensor | No |
| Other Specifications | |
| Weight | N/A |
| Width | N/A |
| Height | N/A |
| In the box | |
| Release Date | |
| Warranty | 12 months |
Features Comparison Chart
Popular detailed comparisons
Roborock Models Compared 2026: Q vs Qrevo vs Saros vs S
7 years, 8 months
398K
Best Eufy Robot Vacuums 2026: S vs E vs C Series Compared
7 years, 9 months
202K
Dreame Robot Vacuums Compared: Every Current Model (2026)
5 years, 2 months
87.7K
Roomba vs Roborock vs Dreame: Best Brand in 2026?
1 month
1.7M
Popular reviews
Roborock Models Compared 2026: Q vs Qrevo vs Saros vs S
7 years, 8 months
398K
Best Eufy Robot Vacuums 2026: S vs E vs C Series Compared
7 years, 9 months
202K
Dreame Robot Vacuums Compared: Every Current Model (2026)
5 years, 2 months
87.7K
Roomba vs Roborock vs Dreame: Best Brand in 2026?
1 month
1.7M