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Dreame L40s Ultra
Overview
Vacuum & Mop
Flexible Cleaning
Hands-Free Maintenance
OA & Navi
Elevated Experience
Package List & Specs
Dreame L40s Ultra
Buy Now
Color | White
Color | Black
Dreame L40s Ultra Robot Vacuum (for Business)
Dreame L40s Ultra Robot Vacuum (for Business)
Dreame L40s Ultra Robot Vacuum (for Business)
Dreame L40s Ultra Robot Vacuum (for Business)
Dreame L40s Ultra Robot Vacuum (for Business)
Dreame L40s Ultra Robot Vacuum (for Business)
Dreame L40s Ultra Robot Vacuum (for Business)
Dreame L40s Ultra Robot Vacuum (for Business)
Dreame L40s Ultra Robot Vacuum (for Business)
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Dreame L40s Ultra Robot Vacuum (for Business)

Refine every fiber, beyond floors

  • 19,000Pa Vormax™ Suction
  • Versatile Carpet Cleaning
  • Smart Multifunctional PowerDock™
  • EasyLeap™ 1.57in Obstacle Clearing
  • HyperStream™ Detangling DuoBrush
  • Dual Flex Arm Technology
  • AceClean™ DryBoard Self-Cleaning
  • 3DAdapt™ Obstacle Avoidance
Fast and Free Shipping
Fast and Free Shipping
2–5 Business Days
2–5 Business Days
30-Day Return Policy
30-Day Return Policy
3-Year Warranty
3-Year Warranty

L40s Ultra

Refine every fiber, beyond floors
L40s Ultra

L40s Ultra packs up to 19,000Pa suction to tackle the trickiest messes, wet and dry, hidden in hard floor gaps or rugs. On top of the 100% detangling performance, it reaches tight corners using flexible mops and a side brush and clears obstacles up to 1.57in high.

Versatile Carpet Cleaning
EasyLeap™ 1.57in Obstacle Clearing
Vormax™ Suction
Smart Multifunctional PowerDock™
AceClean™ DryBoard Self-Cleaning
3DAdapt™ Obstacle Avoidance
HyperStream™ Detangling DuoBrush
Dual Flex Arm Technology
Versatile Carpet Cleaning
EasyLeap™ 1.57in Obstacle Clearing
Vormax™ Suction
Smart Multifunctional PowerDock™
AceClean™ DryBoard Self-Cleaning
3DAdapt™ Obstacle Avoidance
HyperStream™ Detangling DuoBrush
Dual Flex Arm Technology

A Revitalizing Clean for Multiple Surfaces

TurboForce 6.0Powerful Yet Low-Noise Vacuuming

L40s Ultra delivers up to 19,000Pa* suction to effectively capture debris like paper scraps, hair, and cat litter from various surfaces—all while operating quietly*.
Suction (Pa)
19000Pa Noise (dBA)
Dreame with Noise Reduced Design Others
99.99% Hair Removal 100% Particle Pickup
HyperStream™ Detangling DuoBrush0 Tangles for Minimal Care
Made with 2 different brushes ingeniously structured, the HyperStream™ Detangling DuoBrush conquers carpets and hard floor gaps altogether, leaving no tangles or dust behind*.
Up to 11.81in Long Hair
100% Detangling
Hard Floors
Carpets
The air-streamed DuoBrush easily flings hair up to 11.81in* long to suck up each strand and prevent tangles*.
The rubber brush with bristles cleans deep into gaps without making a scene.
The TPU all-rubber brush hits and captures carpet dust with impressive suction power.
Precision Cleaning for More Types of Carpets and Mats
L40s Ultra offers a host of strategies to clean your carpets and mats or prevent them from overwetting.
Long-Pile Carpets
Remove mops to keep carpets dry and spotless. Intensive Carpet Cleaning (cleaning twice) and Suction Boost (increased suction) are also available for a deeper clean*.
Short-Pile Carpets
Lift mops up to 0.41in*.Intensive Carpet Cleaning (cleaning twice) and Suction Boost (increased suction) are also available for a deeper clean*.
Yoga and Play Mats
Avoid to prevent overwetting and odor/mildew spread.
Bath Rugs, Entrance Mats
Choose vacuuming to remove debris, or go across them without cleaning to cover more remaining spaces.

Reach into Corners and over Thresholds

Corners Don't Stand a Chance

L40s Ultra smartly extends its side brush to capture dust and stretches its mops to wipe out sticky messes, be it under beds and in nooks.
Take on Wet and Dry Messes Separately
L40s Ultra lifts and lowers its side brush and mop pads separately to deal with different mess types.
Mop only
Dirty Liquids & Dried Spills
Lifts the side brush and lowers the mop pads, keeping the brush dry and preventing dust box smells.
Vacuum only
Scraps or Other Dry Debris
Lifts the mop pads and lowers the side and main brushes, safeguarding carpets and rugs from moisture.
STEP 1 Dual Lasers Detect Threshold
STEP 2 Auxiliary Wheels Grip Firmly
STEP 3 Main Wheels Cross Over
EasyLeap™Smoothly Overcome 1.57in High Barriers
Our EasyLeap™ system features 4 wheels that help the robot vacuum climb steps and door tracks up to 1.57in* high. This design is effective even on damp floors, slippery kitchen surfaces, or sliding door tracks.
EasyLeap™Smoothly Overcome 1.57in High Barriers
Our EasyLeap™ system features 4 wheels that help the robot vacuum climb steps and door tracks up to 1.57in* high. This design is effective even on damp floors, slippery kitchen surfaces, or sliding door tracks.
STEP 1 Dual Lasers Detect Threshold
STEP 2 Auxiliary Wheels Grip Firmly
STEP 3 Main Wheels Cross Over
1.57in Double-Layer Step
0.87in Single-Layer Step
1.57in Double-Layer Step
0.87in Single-Layer Step
Care Less about Post-Cleaning Maintenance
Auto-Clean Mop Pads with 167°F Hot Water*
Personalize mop cleaning with multiple settings to tackle oil stains or grease while a scale inhibitor prevents scale buildup.
167°F
Up to 100 Days of Auto-Empty
Embrace auto-empty with a 3.2L large dust bag within the dock, letting the robot vacuum handle the dirty work for 100 days in a row*. Additionally, the enhanced dust box captures 90%+ more dust* with each pass for a smoother and more efficient cleaning experience.
100Days
Smart Auto-Solution Refills
L40s Ultra simplifies daily cleaning by auto-refilling a multi-surface detergent* when needed, keeping your mops refreshingly clean so your floors stay pristine.
Steady Water Tank Refilling
Automatic tank water refilling ensures an uninterrupted water supply for continuous mopping sessions. The dock adds water to the robot vacuum's tank, keeping mops wet.
100% Dry Mops*—Less Odors
Keep mop pads clean and odor-free without any effort. The automatic hot air drying prevents mildew buildup, ensuring a consistently fresher and safer home.
100% Dry
167°F
Auto-Clean Mop Pads with 167°F Hot Water*
Personalize mop cleaning with multiple settings to tackle oil stains or grease while a scale inhibitor prevents scale buildup.
100Days
Up to 100 Days of Auto-Empty
Embrace auto-empty with a 3.2L large dust bag within the dock, letting the robot vacuum handle the dirty work for 100 days in a row*. Additionally, the enhanced dust box captures 90%+ more dust* with each pass for a smoother and more efficient cleaning experience.
Smart Auto-Solution Refills
L40s Ultra simplifies daily cleaning by auto-refilling a multi-surface detergent* when needed, keeping your mops refreshingly clean so your floors stay pristine.
Steady Water Tank Refilling
Automatic tank water refilling ensures an uninterrupted water supply for continuous mopping sessions. The dock adds water to the robot vacuum's tank, keeping mops wet.
100% Dry
100% Dry Mops*—Less Odors
Keep mop pads clean and odor-free without any effort. The automatic hot air drying prevents mildew buildup, ensuring a consistently fresher and safer home.
Integrated Washboard Minimizes
Residue and Odors
The AceClean™ DryBoard thoroughly cleans the washboard and pads simultaneously, preventing dirt and water residue buildup*—no more bending down to clean up.
STEP 1 Hot Water Rinses Mop Pads from 20 Spray Nozzles
STEP 2 Fast-Rotating Mop Pads Scrub the Washboard Clean
STEP 3 Dirty Water Drains Away Without Manual Cleanup
Navigate and Map
See, Navigate, and Map
Hazards Are No Worries
With the help of a dynamic laser obstacle avoidance system, L40s Ultra quickly maps and cleans your living space and avoids potential hazards like shoes.
Pathfinder™ Navigation
Fast Mapping (4 Maps)

More to Cheer About

First Clean Refresh
Upon first use, the system recommends the Initial Deep Cleaning feature, which initiates the Mop after Vac Mode and high-frequency auto-empty to help thoroughly tackle dust and dirt to kickstart your cleaning experience.
Dreamehome App Control
Popular features: smart curtain care, room-by-room cleaning, accessory status and reminders, cleaning history and reports, scheduled cleaning.
Long-Lasting Battery Life
Benefit from up to 220 minutes* of non-stop cleaning in Quiet Mode with the help of a self-sufficient battery. When power runs low, it returns to the dock for recharge and resumes cleaning from where it left off.
Up to 220 Minutesof Cleaning 30%Faster Charging
First Clean Refresh
Upon first use, the system recommends the Initial Deep Cleaning feature, which initiates the Mop after Vac Mode and high-frequency auto-empty to help thoroughly tackle dust and dirt to kickstart your cleaning experience.
Dreamehome App Control
Popular features: smart curtain care, room-by-room cleaning, accessory status and reminders, cleaning history and reports, scheduled cleaning.
Up to 220 Minutesof Cleaning 30%Faster Charging
Long-Lasting Battery Life
Benefit from up to 220 minutes* of non-stop cleaning in Quiet Mode with the help of a self-sufficient battery. When power runs low, it returns to the dock for recharge and resumes cleaning from where it left off.
What's in the Box

L40s Ultra

Robot Vacuum x1
Base Station x1
Main Brush (pre-installed) x1
Brush Guard (pre-installed) x1
Side Brush (pre-installed) x1
Scale Inhibitor (pre-installed) x1
Dust Box (pre-installed, including dust box filter) x1
Mop Pad Holders x2
Mop Pads x2
Dust Bags (pre-installedx1) x2
Cleaning Tool x1
200ml Cleaning Solution x1
Base Station Ramp Extension x1
Quick Start Guide x1
User Manual x1
Robot Vacuum x1
Base Station x1
Main Brush (pre-installed) x1
Brush Guard (pre-installed) x1
Side Brush (pre-installed) x1
Scale Inhibitor (pre-installed) x1
Dust Box (pre-installed, including dust box filter) x1
Mop Pad Holders x2
Mop Pads x2
Robot Vacuum x1
Base Station x1
Main Brush (pre-installed) x1
Brush Guard (pre-installed) x1
Learn More
Specifications
  • Product NameDreame L40s Ultra
  • Robot Vacuum Dimensions 13.78 x 13.78 x 3.82in
  • Base Station Dimensions13.39 x 17.99 x 23.23in
  • Base Station Weight20.28 lbs
  • Robot Vacuum Weight9.04 lbs
  • Obstacle Crossing Height 1.57in (double-layer step), 0.87in (single-layer step)
  • Navigation Pathfinder™ Smart Navigation
    • Learn More
    Feature L40s Ultra L40s Ultra AE L40s Ultra CE
    Feature Navigation LDS LDS LDS
    Obstacle Avoidance Sinale-Laser 3D Structured Light RGB AI + 3D Structured Light Single-Laser
    Obstacle Crossing 40mm/1.57in (Two Steps), 22mm/0.87in (Single Step), with Auxiliary Wheels 20mm 20mm
    Vacuuming Maximum Suction 19,000 Pa 19,000 Pa 13,000 Pa
    Main Brush Type HyperStream™ Detangling DuoBrush Liftable Rubber Brush & TriCut Brush 3.0 TriCut Brush
    Main Brush Lifting / √ √
    Side Brush Extending √ / /
    Side Brush Lifting √ / /
    Dust Box Capacity ≥300ml ≥300ml ≥300ml
    Mopping Mop Type Dual Spinning Mops Dual Spinning Mops Dual Spinning Mops
    RoboSwing Technology / / √
    Auto Water Tank Refilling (from Dock to Robot) √ √ √
    Mop Extending √ √ /
    Mop Lifting 10.5mm (0.41in) 10.5mm (0.41in) 10.5mm (0.41in)
    Mop Automatic Removal √ / /
    Maintenance Clean/Used Water Tank Capacity 4.5L/4.0L 4.5L/4.0L 4.5L/4.0L
    Washboard Self-Cleaning AceClean DryBoard™ Self-cleaning washboard 2.0 /
    Mop Hot Water Washing 75°C (167℉) 75°C (167℉) /
    Automatic Solution Addina √ √ √
    Intelligence Dirt Detection / √ √
    AI Dirt Detection / / /
    Direct Voice Control / / /
    Runtiome Battery Capacity 5,200mAh 5,200mAh 5,200mAh
    Disclaimers
    *The illustrations on this page are for reference only and product dimensions and weight may vary by up to 0.08in. Please refer to the actual product.
    *19,000Pa, 100% particle pickup, 99.99% hair removal: Based on our in-house lab data. Actual performance may vary.
    *0 tangles/100% detangling: Certified by TÜV SÜD. Actual performance may vary.
    *11.81in: Based on our in-house lab data.
    *Intensive Carpet Cleaning Mode: Once enabled, the robot vacuum will slow down and clean the carpet twice; Suction Boost Mode: Once detecting carpets, the robot vacuum will clean with maximum suction power. Not available under Quiet Suction Mode. Both modes can be set through the Dreamehome App.
    *0.41in: The height difference between the ground and the mop pads when lifted, based on our in-house lab data.
    *1.57in, 0.87in: 1.57in refers to the double-layer step's height where the gap between the 2 layers is > 1.18in. For a single-layer step, the highest height is 0.87in. Based on our in-house lab data.
    *167°F hot water: The base station water outlet temperature can reach up to 167°F after heating, under standard room conditions of about 73.4°F. Actual temperature may vary.
    *100 days: Based on a calculation derived from environment testing in our in-house lab. Actual performance may vary.
    *90%+ more dust: Compared with our previous models, based on our in-house lab data.
    *To avoid potential damage, use our official cleaning solutions.
    *Water Hookup Kit is available for separate purchase and support may vary by region.
    *5,200mAh battery: Based on our in-house lab data.
    *220 minutes: Tested by our in-house lab in vacuuming mode under quiet suction. Actual performance may vary.
    *30% faster charging: Compared with our other models without fast charging.

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    Rules Explanation

    Step 1 Subscribe to our newsletter, and you'll receive an email containing a special code.
    Step 2 Add the product and 2 multi-surface cleaning solutions to your cart.
    Step 3 Use this code when you place the order, and you'll receive two bottles of our cleaning solution for free.