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  • Aqara Smart Wall Switch (No Neutral) - Single
  • Smart Wall Switch (No Neutral) - Single
  • Smart Wall Switch (No Neutral) - Single
  • Smart Wall Switch (No Neutral) - Single
  • Smart Wall Switch (No Neutral) - Single
  • Smart Wall Switch (No Neutral) - Single
Last updated May 2026

Aqara Smart Wall Switch (No Neutral) - Single

4.2
514 ratings
Launch Year: 2020

Model: WS-USC01

$39.99
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Our review

Aqara Smart Wall Switch (No Neutral, Single) Review: An Affordable Fix for Older Wiring

A single-gang Zigbee switch that finally brings smart control to no-neutral boxes, at the cost of an inconsistent build feel.

The verdict

The Aqara Smart Wall Switch (No Neutral, Single) targets a specific, common problem: a wall box with no neutral wire, which locks many smart switches out entirely. Buyers consistently say the swap-in installation is quick and that it plays nicely with Alexa, Apple HomeKit and Home Assistant once paired to an Aqara or third-party Zigbee hub. The trade-off reviewers point to most is inconsistent build quality, with some units feeling flimsy or arriving faulty, alongside a quirk common to all no-neutral switches: the connected load must stay on the circuit to keep the switch itself powered. For older homes with switch-loop wiring, it remains one of the few practical, budget-friendly ways in.

Best for
  • Older homes without a neutral wire
  • Zigbee and Home Assistant users
  • Budget-conscious smart lighting upgrades
  • Renters who cannot rewire

Pros

  • No neutral wire required, fits older switch-loop wiring
  • Quick, straightforward swap-in installation into existing boxes
  • Works locally over Zigbee even without internet
  • Compatible with Alexa, Apple HomeKit, Google Home and Home Assistant via a Zigbee hub
  • Slim profile fits shallower boxes better than bulkier Wi-Fi switches

Cons

  • Build quality reported as inconsistent, with some units feeling flimsy
  • Requires a Zigbee hub, no built-in Wi-Fi, Thread or Matter
  • No overheating, overvoltage, overcurrent or overpower protection listed
  • Can lose standby power if paired with a load that fully cuts power
  • No Matter or Samsung SmartThings support

Who is the Aqara Smart Wall Switch (No Neutral, Single) for?

This switch is built for exactly the scenario many buyers describe: a single-gang box, often in a house from the 1960s to 1990s, with switch-loop wiring and no neutral conductor. Rather than replacing every bulb with a smart bulb, reviewers use this to convert the existing dumb switch into a smart one while keeping regular bulbs on the circuit. It fits naturally into a Zigbee smart home, pairing with an Aqara hub, Home Assistant, Hubitat or other Zigbee coordinators, and from there bridging into Alexa, Google Home and Apple HomeKit.

What buyers love

The most consistent praise is how easy the physical install is, described as a straightforward swap that fits into an existing box without rewiring, matching the JSON's no-neutral-required spec. Several buyers highlight that it keeps working locally even if the internet or Wi-Fi goes down since it runs on Zigbee, and that it slots into Home Assistant, Hubitat or a Zigbee coordinator as a generic Zigbee switch without necessarily needing the Aqara hub or app. Buyers also like the slim profile, which fits into older, shallower boxes better than some bulkier Wi-Fi alternatives, and the wireless switch mode that lets the second action trigger scenes.

What to know before you buy

Build quality feedback is mixed: while many buyers report it working flawlessly, others describe the button as feeling cheap or floppy, and a few report units with flimsy casing or a fixture that stopped switching off fully. This tracks with the JSON showing no overheating, overvoltage, overcurrent or overpower protection on this no-neutral model. There is also a wiring quirk inherent to any no-neutral switch: since there is no neutral to draw standby power from, the switch borrows a small trickle of power through the connected load, so pairing it with a smart bulb that fully cuts power can cause the switch itself to lose power intermittently. As with other Aqara switches, it also needs a Zigbee hub for full functionality, since there is no Wi-Fi, Bluetooth, Thread or Matter radio built in.

Is the Aqara Smart Wall Switch (No Neutral, Single) worth it?

For a no-neutral box, this switch fills a real gap at a fraction of the cost of premium no-neutral options, and most buyers who kept it report it working reliably day to day with Home Assistant, Alexa or HomeKit. The one-year warranty and power-off memory add peace of mind, and the wireless switch mode gives extra flexibility for automations. Buyers who ran into a bad unit note that quality control can be inconsistent, so it is worth testing one switch before ordering a houseful, but overall it remains a sensible pick specifically for no-neutral installs.

Frequently asked questions

Does the Aqara Smart Wall Switch (No Neutral, Single) need a neutral wire?

No. It is designed for wall boxes without a neutral conductor, which is why buyers with older switch-loop wiring choose it over neutral-only smart switches.

Do I need an Aqara hub to use it?

A Zigbee hub is needed for full functionality and app control. Some buyers pair it directly with a Home Assistant Zigbee dongle, Hubitat or another Zigbee coordinator instead of the official Aqara hub.

Will it work with a smart bulb on the same circuit?

Not well. Since there is no neutral wire, the switch relies on the connected load for standby power, so a smart bulb that cuts power completely can cause the switch to lose power intermittently. It works best with a regular, always-on load.

Does it work with Alexa, Google Home and Apple HomeKit?

Yes, all three are supported once the switch is paired to a Zigbee hub, along with Home Assistant and IFTTT. Samsung SmartThings and Matter are not supported.

Does it stop working if the internet goes down?

No. As a Zigbee device, local switching keeps working even without an internet connection, since the control signal does not depend on Wi-Fi or the cloud.

At a glance

Summary

Everything this wall switch supports, grouped by category.

Size & Materials
4.7 × 2.9 × 1.4 in (120 × 74 × 36.5 mm)
Power
AC Load Voltage (120V)Resistive LoadMax Resistive Load Power (Per Switch)Inductive LoadCapacitive LoadMax Capacitive Load Power (Per Switch)
Connectivity
Zigbee (Zigbee Hub required)
Integrations
Google HomeAlexaApple HomeKitHome AssistantIFTTTMatter (Aqara Hub required)
Features
Switches (1)Power Off MemoryWireless Switch ModeStatus LED

Price History

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Company
Aqara logo

Aqara

4.1/ 5 avg ratingChina flagHeadquartered in China

Aqara makes a broad and affordable range of smart home devices, including sensors, smart locks, cameras, switches and its own hubs. The brand is known for strong support of Apple HomeKit, Matter and Zigbee, making its products a favorite for users mixing ecosystems. Aqara hubs let inexpensive Zigbee sensors bridge into HomeKit, Alexa and Google Home.

Full specifications

Every spec, organized

Browse the full breakdown by category. Tap the on any row for what it means, or the for sources and documentation.

Size & Materials

Dimensions

4.7 × 2.9 × 1.4 in (120 × 74 × 36.5 mm)

Weight

?

Power

AC Load Voltage

120V

Resistive Load

YES

Max Resistive Load Power (Per Switch)

600W

Max Resistive Load Current (Per Switch)

?

Inductive Load

YES

Max Inductive Load Power (Per Switch)

?

Max Inductive Load Current (Per Switch)

?

Capacitive Load

YES

Max Capacitive Load Power (Per Switch)

200W

Max Capacitive Load Current (Per Switch)

?

Neutral Required

NO

Safety

Overheating protection

NO

Overvoltage protection

NO

Overcurrent protection

NO

Overpower protection

NO

Connectivity

2.4 GHz WiFi

NO

5 GHz WiFi

NO

Bluetooth

NO

Z-Wave

NO

Zigbee

Zigbee Hub required

Thread Protocol

NO

Integrations

Google Home

YES

Alexa

YES

Apple HomeKit

YES

Samsung SmartThings

NO

Home Assistant

YES

IFTTT

YES

Matter

Aqara Hub required

Features

Switches

1

Energy Monitoring

NO

Power Off Memory

YES

Wireless Switch Mode

YES

Status LED

YES

Adjust Status LED

?

Automations

YES

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