Updated October 2026
Data from Amazon and official Sonoff site.
2026 verdict
These two Sonoff concealed relays go head to head, and the Sonoff MINI ONE Zigbee Smart Switch edges it on price and on the simpler job.
It is the same 16A Zigbee module that hides behind an existing wall switch, keeps the manual control working, repeats the mesh and stays out of the way, just without a flow of data you may never open. The Sonoff MINI ONE PM Zigbee Smart Switch is the metering sibling: it adds bi-directional voltage, current and power readings, up to a year of on-device energy history and bill tracking with time-of-use rates, plus configurable overvoltage, overcurrent and overpower cut-offs. Both need a neutral wire and a Zigbee coordinator, both want roughly 60 mm of box depth, both offer detach relay mode and a Bluetooth Proximity Mode, and both are single-channel. Pick the Sonoff MINI ONE Zigbee Smart Switch for plain switching, and the Sonoff MINI ONE PM Zigbee Smart Switch whenever knowing what a circuit draws is the point.
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| Feature | Sonoff MINI ONE PM Zigbee Smart Switch | Sonoff MINI ONE Zigbee Smart Switch | Winner |
|---|---|---|---|
| Price | $19.90 | $17.90 | Sonoff MINI ONE Zigbee Smart Switch |
| Rating | 4.6 | 4.8 | Sonoff MINI ONE Zigbee Smart Switch |
| Energy Monitoring | YES | NO | Sonoff MINI ONE PM Zigbee Smart Switch |
| Warranty | 2 years | 2 years | Tie |
| Safety | Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection | Overheating protection | Tie |
| Connectivity | Bluetooth, Zigbee | Bluetooth, Zigbee | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Relay Channels | 1 | 1 | Tie |
| Power Off Memory | YES | YES | Tie |
| Dry Contact Mode | NO | NO | Tie |
| Wet Contact Mode | YES | YES | Tie |
| Zigbee Router | YES | YES | Tie |
What the differences mean
Energy monitoring
This is the whole split. The Sonoff MINI ONE PM Zigbee Smart Switch meters live voltage, current and power, keeps up to a year of history on the device and tracks a bill with time-of-use rates, and because it is bi-directional it reads solar generation as a separate figure. The Sonoff MINI ONE Zigbee Smart Switch reports switching state only.
Protection cut-offs
The Sonoff MINI ONE PM Zigbee Smart Switch offers configurable overvoltage, overcurrent and overpower protection alongside overheat protection. The Sonoff MINI ONE Zigbee Smart Switch lists overheat protection only, with the other cut-off types not documented, so on a load you want to guard closely the metering version is the one with the fuller safety set.
Price
The Sonoff MINI ONE Zigbee Smart Switch is the more affordable option, and when consumption data is not the point it does the same switching, the same mesh repeating and the same detach relay mode for less. The Sonoff MINI ONE PM Zigbee Smart Switch costs more for its metering and its extra cut-offs.
Shared plumbing
Both are 16A single-channel Zigbee modules, both require a neutral wire and roughly 60 mm of box depth, both act as Zigbee routers, both keep the wall switch working through detach relay mode, and both add a configurable power-on state and a Bluetooth Proximity Mode. The installation and the mesh behaviour are identical.
Setup on the hub
Zigbee2MQTT supports both models and exposes each fully, including the metering entities on the PM. On the plain Sonoff MINI ONE Zigbee Smart Switch those entities simply do not exist, so there is nothing extra to enable, while the PM's energy readings need Sonoff's setup script on ZHA and an imported driver on SmartThings until native support lands.
Which one to buy if
- you want to know what a circuit costs to run
Only the Sonoff MINI ONE PM Zigbee Smart Switch meters power, keeps a year of history and tracks a bill.
- you just want a wall circuit turned into a Zigbee device
The Sonoff MINI ONE Zigbee Smart Switch does the switching, the mesh repeating and the detach relay mode for less.
- a balcony solar feed shares the circuit
The Sonoff MINI ONE PM Zigbee Smart Switch meters both directions, so it reports generation separately from consumption.
- you want voltage and current cut-offs you can set
The Sonoff MINI ONE PM Zigbee Smart Switch adds overvoltage and overcurrent thresholds on top of overheat protection.
- you are fitting several modules for plain lighting control
The Sonoff MINI ONE Zigbee Smart Switch is the cheaper way to put each circuit on Zigbee without metering to pay for.
$19.90
- + Energy Monitoring: YES
- - Price: $19.90 vs $17.90
- - Rating: 4.6 vs 4.8
Winner
$17.90
- + Price: $17.90
- + Rating: 4.8
- - Energy Monitoring: NO vs YES
What owners say
Owners of the Sonoff MINI ONE PM Zigbee Smart Switch keep pointing at how little friction there is once it is wired in: paired into Zigbee2MQTT, it appears in Home Assistant straight away, commands land effectively instantly, and the power figures update almost as fast as the load changes. The metering is the reason most of them chose this version, and it goes well beyond a running total: real-time voltage, current and power, energy by day and month, bill tracking with time-of-use rates, and up to a year of history held on the device so an outage does not punch a hole in the record. Because the measurement is bi-directional, a balcony solar feed reports generation separately. Their warnings are all about fitting it: the mandatory neutral wire and the 60 mm depth rule out many UK back boxes, the terminals take only a few millimetres of conductor, and a metal box behind a metal plate can weaken the Zigbee signal.
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Sonoff MINI ONE PM Zigbee Smart Switch
- Sonoff MINI ONE Zigbee Smart Switch
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Frequently Asked Questions
Which is better overall: Sonoff MINI ONE Zigbee Smart Switch or Sonoff MINI ONE PM Zigbee Smart Switch?
For plain switching the Sonoff MINI ONE Zigbee Smart Switch is the better value, doing the same 16A job for less. The Sonoff MINI ONE PM Zigbee Smart Switch is worth the extra whenever you want to measure a circuit: it adds bi-directional energy metering, a year of history and configurable voltage and current cut-offs.
What is the biggest difference between the Sonoff MINI ONE PM Zigbee Smart Switch and the Sonoff MINI ONE Zigbee Smart Switch?
Energy monitoring. The Sonoff MINI ONE PM Zigbee Smart Switch reads voltage, current and power with bill tracking and a year of on-device history, while the Sonoff MINI ONE Zigbee Smart Switch reports switching state only. Their wiring, load rating and mesh behaviour are the same.
Do the Sonoff MINI ONE PM Zigbee Smart Switch and Sonoff MINI ONE Zigbee Smart Switch need a hub?
Yes. Both are Zigbee 3.0 modules with no Wi-Fi radio, so each needs a coordinator such as a Sonoff dongle, a Sonoff Zigbee bridge, an Echo with a built-in Zigbee hub, or the Aeotec Smart Home Hub. Bluetooth Proximity Mode covers basic control when the gateway is offline.
Do both need a neutral wire?
Yes. The Sonoff MINI ONE PM Zigbee Smart Switch and the Sonoff MINI ONE Zigbee Smart Switch both require a neutral wire and around 60 mm of box depth, which is the most common installation blocker owners report. There is no no-neutral variant of either.
How much load can these Sonoff modules switch?
Both are single-channel modules rated 16A at a mains voltage, stated as a maximum resistive load, so a second circuit needs a second module. The Sonoff MINI ONE PM Zigbee Smart Switch publishes only the resistive rating too, so motors, transformers and LED drivers should be sized conservatively.
Who should buy the Sonoff MINI ONE PM Zigbee Smart Switch?
A home already running Zigbee that wants per-circuit consumption data, bill tracking or a solar feed measured, and that has a neutral wire and the box depth this module needs.
Who should buy the Sonoff MINI ONE Zigbee Smart Switch?
Anyone who simply wants an existing switch or lighting circuit on Zigbee, with detach relay mode and mesh repeating, and who does not need power readings and prefers the lower price.
Full comparison table
Compare all 49 Relays side by side
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