Dreame L40s PRO Robot Vacuum and Mop with Self-Cleaning and Auto-Empty
Description
Dreame L40s Pro Ultra Robot Vacuum & Mop | 19,000 Pa, Self‑Clean PowerDock
Introducing the Dreame L40s Pro Ultra—a high-performance robot that vacuums, mops, and truly cleans itself. With powerful 19,000 Pa suction, dual roller brushes that tackle pet hair effortlessly, and navigation smart enough to scale 40 mm obstacles, it ensures every corner receives spotless attention.
The advanced dock automatically empties dust, washes and dries mop pads with 75 °C water, and refills water and cleaning solution—delivering up to 100 days of hands-free upkeep. Add precise Lidar mapping, AI camera navigation, app plus voice controls, and you’ve got a premium robot that works while you relax.
Key Features
Strong 19,000 Pa Vormax™ suction with HyperStream™ dual-roller Detangling DuoBrush
EasyLeap™ system climbs thresholds up to 40 mm (1.6 in)
Precision navigation with AI camera, 3DAdapt obstacle sensing, and lidar mapping
8-in-1 PowerDock™ automatically empties dust, washes (75 °C water), dries mops, and refills water/solution
Up to 100 days hands-free operation via large 3.2 L dust bag and auto-maintenance
App and voice assistant compatibility—control by app or “OK, Dreame” voice commands
About this item
Spotless Carpets – Fewer Worries
L40 Ultra protects carpets from moisture by removing or lifting mops to 0.4in（10.5mm）*. You can also set zones to avoid rugs, preventing the vacuum from getting stuck. To deep clean your rug, choose Suction Boost** or Intensive Carpet Cleaning Mode***.
0.4in (10.5mm) Mop Lifting
Mop Removal
Carpet Avoidance
Suction Boost
Intensive Carpet Cleaning Mode
Continuously Fresh Base Station
L40 Ultra utilizes a 4L used water tank, a 4.5L clean water tank, and a specialized cleaning solution to sanitize the mop and washboard with 149℉ hot water, effectively removing stain residues. Pairing this with hot air drying to reduce odours means less work for you.
Auto-Empties Dust with a 3.2L Dust Bag
Enjoy automated dust emptying for up to 75 days* with a generous 300mL dust box and an ample 3.2L dust bag. 75 days: Based on a calculation derived from environment testing in Dreame Lab. Actual performance may vary depending on usage.
Auto Water Tank Refilling for Mopping
L40 Ultra consistently refills water, keeping mops wet and minimizing the need to carry heavy tanks.
Gleaming Floors with Automatic Solution Refills
L40 Ultra refills cleaning solution for mopping while keeping floors tidy. This robot vacuum ensures consistently wet mops, reducing the need for frequent solution changes and manual intervention during its upkeep.
Eliminate Tough Stains with OmniDirt™ Detection Technology*
The intelligent RGB camera, 5-channel color sensing, and smart dirt detection system team up to tackle challenging messes like oil or sauce on hard floors. L40 Ultra detects the dirt and performs a slow and detailed mopping**, with the side brush lifting to prevent the spread of messes on floors and carpets.
Floor Remopping and Mop Rewashing* for Doubled Cleanliness
The turbidity sensor measures used water dirtiness to rewash the mop and continuously remove stubborn stains. After that, L40 Ultra remops the floor, keeping it fresh and shiny.
Dynamic Water Control
Get rid of streaks after mopping with mop rewashing and floor remopping. Tailor your cleaning with 32 moisture levels in the Dreamehome App.
Maps Your Home for Effective Route Planning
L40 Ultra rapidly creates detailed 4-level maps, ensuring large areas of your home stay pristine.
Crossing obstacles up to 0.86in（22mm）*
0.86in（22mm）: Based on tests in Dreame Lab.
Handle the Trickiest Spots with Ease
Create no-go zones and choose curtain zone cleaning for optimized route planning. By setting virtual walls or utilizing Curtain Zone Cleaning, L40 Ultra effortlessly avoids bumping into curtains and thoroughly cleans hard-to-reach places.
Navigates in the Dark
Equipped with a smart camera and 3D structured light, L40 Ultra detects and avoids up to 100 types of objects*, including cables and shoes. The vacuum's built-in LED light helps navigate dimly lit areas.
Customized Cleaning in Every Room
L40 Ultra tailors cleaning to each room, considering a layout, floor type, and furniture placement. Select from 4 modes for single-room or multi-story cleaning, and track sessions with the Dreamehome App's reports for a smooth experience.
Say a Command to Get Started
Customize your cleanup with voice commands* or sync with Alexa, Siri, and Google Home**for personalized control. Start, pause, or perform tasks like mapping rooms or avoiding zones with simple voice commands.
Turn Your Living Space into a Pet Haven
Dive into a Pet Care Mode to get instant cleaning recommendations and establish pet zones* in the Dreamehome App to avoid pet areas. L40 Ultra quickly deals with cat litter and large debris using Large Particles Boost**. Stay connected to your pets via real-time voice control and video monitoring when you're out.
Charges. Recharges. Resumes.
L40 Ultra features a sufficient 5,200mAh battery, providing up to 194 minutes* of vacuuming and mopping in Quiet Mode per charge. The robot vacuum returns to its dock when low on power and resumes cleaning. Schedule charging during off-peak hours* to optimize energy consumption.
5,200mAh Battery Life 
Up to 194 Minutes 
Charge Off-Peak Charging
194 minutes: Tested by Dreame Lab in Vacuuming&Mopping Mode under quiet suction settings. Actual performance is based on the home environment.*Off-peak hours: Vary by region, please set and adjust according to local conditions.