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Choose Your L40s
The Science of Spotless, Built for You.
L40s Ultra
Complete Control
$???.??$1,399.99
Learn More
L40s Ultra AE
Smart Balance
$???.??$1,099.99
Learn More
L40s Ultra CE
Simple Start
$???.??$899.99
Learn More

Subscribe for Exclusive Offer!
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Grab one of the new L40s Series Robot Vacuums on Aug 6, and enjoy 2 bottles of free cleaning solution!
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FEATURE L40s Ultra L40s Ultra AEL40s Ultra CE
Suction Power
HyperStream™ DuoBrush
Brush Type
Liftable Rubber + TriCut™ 3.0
TriCut™ Brush 3.0
Side Brush + Mop Extend
Extension Capabilities
Mop Extend Only
No Extensions
1.57 inch / 40mm (EasyLeap™)
Obstacle Crossing
0.79 inch / 20mm Standard
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
Life gets messy.
The Dreame L40s Series gets it clean-and takes care of itself.
Three intelligent models that clean thoroughly,
learn your home, protect your surfaces, and handle their own maintenance,
so you can focus on what actually matters to you.
https://cdn.shopify.com/videos/c/o/v/1ec1504a81084981b9c9337c161ddda9.mp4
L40s Ultra
L40s Ultra AE
L40s Ultra CE
More Power for Complex Homes
A complete package that tackles mixed flooring,
Deep carpets, and plenty of foot traffic.
Vormax™ Suction
Max power for deep cleaning
HyperStream™ DuoBrush
Zero hair tangles, dual brush system
EasyLeap™ 1.57-inch Crossing
Climbs high thresholds and steps
3DAdapt Obstacle Avoidance
Detects obstacles and different dirt types
AceClean DryBoard AceClean DryBoard 20-spray self-cleaning washboard
Dual Flex Arms Dual Flex Arms Side brush + mop extend into corners
Intelligent PowerDock™ Intelligent PowerDock™ Hands-free maintenance
More Value for Busy Families
Full performance and flexible cleaning options without the extra frills.
Vormax™ SuctionMax power for deep cleaning
MopExtend™ RoboSwingScrubs near edges and into corners
3DAdapt™ Smart VisionDetects obstacles and different dirt types
Liftable rubber + TriCut™ 3.0 brushesCatch all hair and debris
L40s Series Icon 167°F Hot Water Washing Deep cleans mop pads
L40s Series Icon Intelligent PowerDock™Hands-free maintenance
More Ease for First-Time Users
Reliable, effective, all the core Dreame tech to get you started.
Vormax™ SuctionPowerful for daily cleaning
Tricut BrushCuts hair automatically
Smart Carpet CleaningAuto detection and suction boost
DuoScrub™ SystemTwin mops tackle sticky stains
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RoboSwing Technology Extends mops to baseboards
Smart Pathfinder™ Precise routes + 3DAdapt™ obstacle avoidance
Intelligent PowerDock™ Auto dust empty, mop washing, and drying
All-in-One PowerDock™
Refill. Wash. Dry. Repeat. Complete automation while you live your life.
Auto Water RefillingDock to robot tank
Hot Water Mop WashingUp to 167°F sanitization**
Hot Air DryingPrevents odors and mildew
Auto Water RefillingDock to robot tank
Hot Water Mop Washing Up to 167°F sanitization**
Self-Cleaning WashboardZero manual maintenance
*100 days: Based on lab testing. Actual performance may vary.
**Hot water washing (75°C/167°F): Available on Ultra and AE models. CE model includes room-temperature water cleaning.
Carpet Genius Technology
Every surface gets the attention it deserves.
Intelligent surface recognition ensures rugs, carpets, and hard floors each get their perfect clean.
Ultrasonic Carpet DetectionAutomatically recognizes carpet types and adjusts cleaning strategy
0.41 inch* Mop LiftingKeeps short-pile rugs dry while vacuuming, prevents overwetting
Automatic Suction Boost** Increases power on carpets for deeper embedded dirt removal
Ultrasonic Carpet DetectionAutomatically recognizes carpet types and adjusts cleaning strategy
0.41 inch* Mop LiftingKeeps short-pile rugs dry while vacuuming, prevents overwetting
Automatic Suction Boost** Increases power on carpets for deeper embedded dirt removal
*0.41 inch/10.5mm lift height. For carpets >3mm pile, set avoidance via app to prevent wetting.
**Auto-enables Intensive (2x clean) and Suction Boost modes on carpets. Not available in Quiet mode. Adjustable via Dreamehome app.
Smart Surface Strategies
Yoga/
Play Mats Avoids to prevent overwetting and odor
Short-Pile
Carpets Lifts mops, boosts suction, cleans twice for thorough results
Long-Pile
Carpets Removes mops completely to keep carpets dry
Entrance
Mats Choose vacuuming or avoidance to cover more areas
*Available on the L40s Ultra model only.
Dreamehome App & Voice Control
Your cleaning concierge awaits.
Schedule cleans, set no-go zones, boost carpet suction, or start a clean from anywhere.
  • Auto 3D Room Mapping Scans, names, and saves every room for tap-to-clean simplicity.
  • Smart Boundaries Create no-go zones, mark out curtains, drag and drop furniture, and designate carpet-only areas with ease.
  • Real-time Tracking & Reports See exactly where your robot is cleaning and get a detailed report after every clean.
  • Auto 3D Room Mapping Get optimized cleaning tips based on your habits, automatically matching schedules, suction, and mop settings.
  • Remote & Voice Control Start, stop, and monitor your robot from anywhere, or simply use voice commands with smart assistants*.
*Alexa, Google Assistant, Siri: Requires compatible smart speaker or device for voice control.
Frequently Asked Questions
Q: What’s the difference between L40s Ultra, L40s Ultra AE, and L40s Ultra CE models?
A: L40s Ultra offers maximum features including 40mm obstacle crossing, extending side brush, mop removal, and AceClean™ DryBoard. L40s Ultra AE provides the same 19,000Pa suction with dual brush flexibility and multi-spectral dirt detection. L40s Ultra CE delivers 13,000Pa suction with core smart features at an entry-level price.
Q: Do Dreame L40s robot vacuums work well for pet hair?
A: Yes. All models feature anti-tangle brush technology - HyperStream™ DuoBrush (L40s Ultra), TriCut™ 3.0 (AE), or TriCut™ brush (CE) that automatically cut and collect pet hair without clogging.
Q: Do Dreame L40s robot vacuums work well for pet hair?
A: Yes. All models feature anti-tangle brush technology - HyperStream™ DuoBrush (L40s Ultra), TriCut™ 3.0 (AE), or TriCut™ brush (CE) that automatically cut and collect pet hair without clogging.
Q: How long does the battery last on L40 series robots?
A: All L40s models have 5,200mAh batteries providing up to 260 minutes of cleaning time. They also feature 30% faster charging compared to previous Dreame models.
Q: Can these robot vacuums clean different carpet types?
A: Yes. All models automatically detect carpets and adjust suction power. They lift mops up to 10.5mm to keep carpets dry during vacuuming. The Ultra model can completely remove mops for long-pile carpets.
Q: How often do I need to empty the dust bag?
A: The 3.2L dust bag provides up to 100 days of hands-free operation before needing replacement, based on average home cleaning.
Q: Do L40s robots work with Alexa and Google Assistant?
A: Yes, all models support voice control through Alexa, Google Assistant, and direct voice commands to the robot.
Q: What's the suction power?
A: L40s Ultra and L40 Ultra AE deliver 19,000Pa Vormax™ suction, while L40 Ultra CE provides 13,000Pa.
Q: How hot does the mop washing get?
A: The base station washes mop pads with water up to 75°C (167°F) on L40s Ultra and L40 Ultra AE models, effectively removing bacteria and tough stains.

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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.