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  • Sonoff Smart Wall Switch ZBM5 (US) - Single
  • Smart Wall Switch ZBM5 (US) - Single
  • Smart Wall Switch ZBM5 (US) - Single
  • Smart Wall Switch ZBM5 (US) - Single
  • Smart Wall Switch ZBM5 (US) - Single
  • Smart Wall Switch ZBM5 (US) - Single
  • Smart Wall Switch ZBM5 (US) - Single
Last updated August 2026

Sonoff Smart Wall Switch ZBM5 (US) - Single

A single-gang Zigbee switch that skips the neutral wire and works with Alexa, Google Home and Home Assistant, but pairing reliability is a mixed bag.

3.7
44 ratings
$29.99
As an Amazon Associate I earn from qualifying purchases
Launch Year: 2025

Model: ZBM5-1C-120W

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Our review

Sonoff Smart Wall Switch ZBM5 Review: An Affordable No-Neutral Zigbee Switch With a Learning Curve

The verdict

The Sonoff ZBM5 single-gang switch is aimed at DIY and Home Assistant users who want an affordable way into a Zigbee lighting setup, especially in boxes without a neutral wire. It handles resistive loads up to 400W over a wide 100-240V range and plugs into Alexa, Google Home, SmartThings and Home Assistant once paired. The main trade-off is Zigbee bridge pairing: most buyers get it running smoothly, but a meaningful share report stubborn pairing issues or a unit that stopped working after a few months, so it suits patient tinkerers more than someone wanting a guaranteed plug-and-play install.

Best for
  • Home Assistant and Zigbee hobbyists
  • No-neutral wiring installs
  • Budget-conscious single-gang upgrades
  • Alexa and Google Home households

Pros

  • Works without a neutral wire for easier retrofits
  • Handles resistive loads up to 400W / 10A across a wide 100-240V range
  • Broad integrations: Alexa, Google Home, SmartThings, Home Assistant and IFTTT
  • Power-off memory and a status LED included
  • Quiet, responsive paddle button praised by reviewers
  • Budget-friendly entry point into a Zigbee lighting setup

Cons

  • No Apple HomeKit or Matter support
  • Not rated for inductive or capacitive loads (no direct fan, motor or LED-driver control)
  • No overheating, overvoltage, overcurrent or overpower protection
  • Some buyers report inconsistent Zigbee bridge pairing and occasional early failures
  • Requires a separate Zigbee hub since it has no Wi-Fi or Bluetooth of its own
  • Not designed to fit standard wall plates in multi-gang boxes

Who is the Sonoff ZBM5 for?

The ZBM5 is a single-gang in-wall switch that controls one lighting circuit and needs a Sonoff Zigbee hub to operate, since it has no Wi-Fi or Bluetooth of its own. It can be wired with or without a neutral, which makes it a fit for older homes and boxes that only have a live and load wire, though a no-neutral install locks the device into an endpoint role on the Zigbee mesh rather than acting as a router for other devices. Reviewers describe using it for garage lights and outdoor single-gang boxes tied into Home Assistant automations, which lines up with its automations and power-off memory support.

What buyers love

Several buyers highlight how easy the switch is to install once wired correctly, and how well it plays with Home Assistant's ZHA integration for fast, reliable automation triggers. The physical paddle gets praised for a quiet, responsive click that works from anywhere on the button rather than just the bottom edge, and reviewers who paired it successfully with a Zigbee bridge report it running without further issues. The status LED and support for power-off memory (choosing whether the switch turns back on or stays off after an outage) are called out as useful touches for a switch at this price point.

What to know before you buy

The most common complaint is inconsistent Zigbee bridge pairing: some buyers spent hours resetting and re-pairing before the switch was detected, and at least one unit reportedly stopped working after several months of use. The ZBM5 is rated for resistive loads only (up to 400W and 10A), so it is not built to directly drive inductive loads like fans and motors or capacitive loads like LED drivers, and it carries no overheating, overvoltage, overcurrent or overpower protection circuitry. It also lacks Apple HomeKit and Matter support, so iPhone-first households need a workaround. One reviewer also noted the eWeLink pairing QR code sits on the back of the device, which is inconvenient to scan after it is already mounted in the wall.

Is the Sonoff ZBM5 worth it?

For the price, the ZBM5 packs in broad smart home integrations (Alexa, Google Home, SmartThings, Home Assistant, IFTTT), a decent resistive load rating and no-neutral flexibility that pricier switches often skip. It is a reasonable value pick if you already run a Zigbee hub and want to expand a lighting setup on a budget, but the mixed pairing experience and absence of overload protections mean it rewards buyers comfortable troubleshooting a smart home device rather than those who want it to work flawlessly out of the box.

Frequently asked questions

Does the Sonoff ZBM5 need a hub to work?

Yes. It only communicates over Zigbee, so it requires a Zigbee hub such as a Sonoff ZBBridge (or another compatible Zigbee coordinator) to pair and control it; it has no built-in Wi-Fi or Bluetooth.

Does the Sonoff ZBM5 require a neutral wire?

No, it can be installed without a neutral wire. Doing so restricts it to an endpoint role on the Zigbee mesh rather than a router, which can affect how far the mesh extends to other devices.

Does it work with Alexa and Google Home?

Yes, it integrates with Alexa and Google Home for voice control, along with Samsung SmartThings, Home Assistant and IFTTT for automations.

Does the Sonoff ZBM5 support Apple HomeKit or Matter?

No, neither Apple HomeKit nor Matter is supported on this switch.

What kind of loads can the ZBM5 control?

It is rated for resistive loads only, up to 400W and 10A. It is not rated for inductive loads like fans and motors, or capacitive loads like LED drivers.

Is this the single-switch version of the ZBM5?

Yes, this is the single-gang (1-switch) ZBM5-1C-120W model that controls one lighting circuit.

At a glance

Summary

Everything this wall switch supports, grouped by category.

Size & Materials
4.7 × 2.9 × 1.6 in (120 × 74 × 39.4 mm)
Power
AC Load Voltage (100-240V)Resistive LoadMax Resistive Load Power (Per Switch)Max Resistive Load Current (Per Switch)
Connectivity
Zigbee (Zigbee Hub required)
Integrations
Google HomeAlexaApple HomeKit (SONOFF Hub required)Samsung SmartThingsHome AssistantMatter (SONOFF Hub required)
Features
Switches (1)Power Off MemoryStatus LED

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Company
Sonoff logo

Sonoff

4.3/ 5 avg ratingChina flagHeadquartered in China

Sonoff, a brand of ITEAD, makes affordable smart home devices including Wi-Fi and Zigbee switches, smart plugs, relays, sensors and the ZBBridge and Zigbee dongles. Its products work through the eWeLink app and integrate with Alexa and Google Home, and are popular with DIY users and Home Assistant fans for low-cost automation. Sonoff is well known for budget-friendly switches and Zigbee hardware.

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 × 1.6 in (120 × 74 × 39.4 mm)

Weight

?

Power
AC Load Voltage

100-240V

Resistive Load

YES

Max Resistive Load Power (Per Switch)

400W

Max Resistive Load Current (Per Switch)

10A

Inductive Load

NO

Max Inductive Load Power (Per Switch)

-

Max Inductive Load Current (Per Switch)

-

Capacitive Load

NO

Max Capacitive Load Power (Per Switch)

-

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

SONOFF Hub required

SONOFF lists this model among the Zigbee devices its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) publish to Matter, which is how it reaches the Apple Home app. Apple Home has no Zigbee radio of its own.

Samsung SmartThings

YES

Home Assistant

YES

Matter

SONOFF Hub required

The device is not Matter itself: SONOFF lists it among the Zigbee models its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) republish into Matter.

Features
Switches

1

Energy Monitoring

NO

Power Off Memory

YES

Wireless Switch Mode

?

Status LED

YES

Adjust Status LED

?

Automations

YES

Required to work

You need a Zigbee hub for this

View all
Why it needs a Zigbee coordinator

The Sonoff Smart Wall Switch ZBM5 (US) - Single speaks Zigbee, not Wi-Fi. On its own it cannot reach your phone, your voice assistant or any automation: it needs a Zigbee coordinator to join. These are the ones in our catalog that can run it.

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