Dreame L40s Series | Robot Vacuums

Choose Your L40s
The Science of Spotless, Built for You.

L40s Ultra

Complete Control

$899.99$1,099.99

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L40s Ultra AE

Smart Balance

$799.99$999.99

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L40s Ultra CE

Simple Start

$599.99$749.99

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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	/	/	/
Runtime	Battery Capacity	5,200mAh	5,200mAh	5,200mAh

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.

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 20-spray self-cleaning washboard

Dual Flex Arms Side brush + mop extend into corners

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

167°F Hot Water Washing Deep cleans mop pads

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

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.

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.

Rules Explanation