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I’ve tried plenty of smart curtain devices over the years, and the new SwitchBot Curtain 3 is the first one that feels completely reliable and polished. It’s quieter, more powerful, and works flawlessly on almost every rod setup I’ve tested in real homes.
If you’re tired of devices that drift out of alignment or make annoying noises first thing in the morning, this one solves those problems.
What’s New and Improved
- Twice the pulling force – easily handles curtains up to 15 kg (33 lbs) per side
- QuietDrift technology + dedicated Silent Mode – operates below 25 dB
- Built-in positioning magnets – accurate stopping points every time, no light gaps
- Faster-charging optional solar panel
- Full Matter support when paired with Hub 2 (native Apple HomeKit control)
Full Specifications
| Model | SwitchBot Curtain 3 – Rod version |
| Color | White |
| Max curtain weight | 15 kg / 33 lbs per unit |
| Noise level | <25 dB in Silent Mode |
| Rod compatibility | 16–50 mm diameter (most standard and extendable rods)* |
| Control options | App, schedules, touch-and-go, voice control (with hub) |
| Voice & Matter support | Alexa, Google Home, Siri/HomeKit, SmartThings (Hub 2 required) |
| Solar charging | Optional upgraded panel (separate or bundled) |
| Battery | Rechargeable via USB-C – 8–12 months typical use, or indefinite with solar |
*Note: On extendable rods, the overlapping section needs to be at least 16 mm (5/8 inch) thick for the clip to grip properly.
What’s in the Box
- 1 × SwitchBot Curtain 3 motor unit
- USB-C charging cable
- 2 × Positioning magnets
- 4 × Rod clip sizes
- Default hooks + extra adapters
- Quick-start guide with app QR code
Setup in Five Minutes (Really)
- Charge it (or skip if you have the solar version).
- Download the SwitchBot app.
- Clip the bot onto the rod – it snaps right on.
- Slide your curtain rings or beads into the arm.
- Place the two small magnets at the fully-open and fully-closed positions.
- Let the app run a quick 30-second calibration.
How I Use It Every Day
- Gentle sunrise wake-up with slow, silent opening
- Voice command to close everything for movie nights
- Random schedules when we’re away so the house looks occupied
- Precise 5–10% opening for ventilation without bright light
Frequently Asked Questions
A: Only for voice control, Matter, or HomeKit. The app, schedules, and manual touch control work fine over Bluetooth alone.
Q: Will it handle heavy blackout or thermal curtains?
A: Yes, as long as each side is under 15 kg total weight.
Q: What about very tall floor-to-ceiling curtains?
A: Length doesn’t matter – only weight does.
Q: My rod is 2 inches thick – will it fit?
A: Max diameter is 50 mm (roughly 2 inches). Anything larger won’t work.
Bottom Line
The SwitchBot Curtain 3 is the most refined smart curtain motor I’ve used. It’s quiet enough for bedrooms, strong enough for heavy fabrics, and accurate enough that I never have to touch it after the initial setup.
If you’re ready to automate your curtains properly, this is the one that finally feels like a finished product worth the price (around $99 per unit, or roughly $180–190 for a pair with solar panels).
Center-opening setups? Just get two units and enjoy perfectly synced curtains every time. Highly recommended.
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