SwitchBot Curtain U 3 Smart Curtain Opener for U Rails

SwitchBot Curtain U 3 is a Bluetooth smart curtain opener for U rails, with app control, schedules and a motor the listing says can move curtains weighing up to 18KG. App control is presented as built in, while voice assistants and Matter/HomeKit integration require a compatible SwitchBot hub sold separately.

At a glance

The listing claims compatibility with U rails and a curtain load of up to 18KG.
The app can open, close and set the curtain opening percentage, with custom schedules.
Silent Mode is claimed to operate below 25dB by moving the curtains more slowly.
Positioning magnets are included in the described setup to help control curtain positioning.

Price

£67.99Save 15%

Reference price: ~~£79.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

App scheduling and percentage-based positioning offer more control than simple open-or-close operation.
The stated 18KG curtain capacity is intended to accommodate heavier curtains, subject to the listing claim.
Customers report ease of setup and use, quieter operation and useful connectivity, though experiences may vary.

Cons

Voice-assistant and Matter/HomeKit features depend on buying a compatible SwitchBot hub separately.

Technical specifications

13 specifications

Identity
Brand	SwitchBot
Model	SwitchBot Curtain U 3

Dimensions and installation
Dimensions listed	17.3L x 5.1W centimetres
Weight listed	517 Grams
Curtain form listed	Panel Curtain
Hanging method listed	Ring Clip

Materials and appearance
Material listed	Metal
Colour listed	Chrome

Operation and smart features
Maximum curtain weight claimed	up to 18KG
Silent Mode noise claim	below 25dB
Control methods listed	Bluetooth Remote Control with App/Timer
Hub-dependent integrations claimed	Alexa, Google Home, SmartThings, Siri Shortcuts, and IFTTT
Matter and Apple Home integration condition	With SwitchBot Hub 2 (sold separately), Curtain 3 supports Matter and can be integrated with Apple HomeKit.

What to know before buying

Listing details to confirm

The listing describes Bluetooth, app and timer control, but its smart-home claims require a SwitchBot hub. Alexa, Google Home, SmartThings, Siri Shortcuts and IFTTT are listed with a hub, while Matter and Apple Home are specifically tied to Hub 2. Confirm the rail and curtain arrangement suits this U-rail model before buying.

What’s in the box

Included

SwitchBot Curtain U 3

Who is it for?

A good fit for

People with compatible U-rail curtains who want app control and schedules.
Buyers seeking percentage-based curtain positioning or a slower, quieter operating mode.
Smart-home users prepared to add the compatible SwitchBot hub required for the listed voice and Matter integrations.

Less suited to

People who need a curtain opener with voice-assistant or Apple Home integration without purchasing an additional hub.
Buyers whose curtain rail is not a compatible U rail, or who need a complete replacement curtain rail rather than an opener.

SwitchBot Curtain U 3 Smart Curtain Opener for U Rails · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 1,618 ratings

5 stars66%66%
4 stars20%20%
3 stars5%5%
2 stars4%4%
1 star5%5%

Customer feedback reports easy setup and use, helpful curtain operation, quieter running and positive connectivity experiences, including a mention of Home Assistant integration. Some customers also describe long intervals between charges, but that report is not a guaranteed battery-life specification and this listing provides no battery figure. Opinions on cost are mixed. These reports may matter to buyers seeking everyday app-operated curtains, while hub-dependent integrations remain a separate listing condition.

Positive themes

Customers report straightforward setup and use, along with useful curtain opening and closing.
Feedback describes quieter operation and positive connectivity experiences.