Sonoff-C MINI DUO Zigbee 2-Gang Smart Switch (Neutral / No Neutral) | MINI-ZB2GS
Sonoff-C MINI DUO Zigbee 2-Gang Smart Switch (Neutral / No Neutral) | MINI-ZB2GS
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Sonoff MINI DUO Zigbee 2-Gang Smart Switch (Neutral / No Neutral) | MINI-ZB2GS
The SONOFF MINI DUO is a compact Zigbee 3.0 smart switch module from the MINI Extreme series that controls two separate lights or circuits from one device. It installs behind your existing wall switch (45 × 39.4 × 16.8 mm), keeps the wall switch working, and adds app control, schedules and automations through a SONOFF Zigbee hub.
Two versions are available: MINI DUO (MINI-ZB2GS) for switch boxes that have a neutral wire, and MINI DUO-L (MINI-ZB2GS-L) for switch boxes with no neutral wire.
Color: White
Two Independent Channels: Each of the two channels (L1 and L2) is controlled separately, so one module can run two lights or two circuits in the same room. You can switch each channel from the eWeLink app or from the connected external wall switch.
No Neutral Version (MINI DUO-L): The DUO-L works on a single live wire, which suits older homes where the switch box has no neutral. It does not need a bypass (anti-flicker) module — SONOFF states that one must not be connected — and it supports loads from a minimum of 3W.
Detach Relay: This mode separates the wall switch from the relay, so the physical switch acts as a smart trigger for scenes instead of cutting power. It is the right choice when the circuit feeds smart bulbs that must stay powered.
Zigbee Router (MINI DUO): The neutral version works as a Zigbee 3.0 router, so it also relays the signal for other Zigbee devices and helps extend your Zigbee network around the home.
Power-On State & Smart Control: Choose what each channel does when power returns after an outage (last state, on or off). Timers, schedules, smart scenes and group control are set up in the eWeLink app, and firmware is updated over the air.
Who it's for / Works with: Anyone who wants to make two lights smart from one switch box. It needs a Zigbee 3.0 gateway: SONOFF ZBBridge-P, ZBBridge-U, NSPanel Pro or iHost with the eWeLink app, or Home Assistant through ZHA or Zigbee2MQTT with a SONOFF Zigbee dongle. Voice control with Amazon Alexa and Google Assistant works through eWeLink, and Matter platforms such as Apple Home through a Matter bridge (e.g. ZBBridge-U).
Good to know: A Zigbee hub is required — the switch does not work on its own or over Wi-Fi. The MINI DUO-L is for lighting (incandescent, LED, halogen excluding MLV, CFL) and is not for smart bulbs or inductive loads such as fans.
Technical Specifications
| Specification | MINI DUO (MINI-ZB2GS) | MINI DUO-L (MINI-ZB2GS-L) |
|---|---|---|
| Neutral wire | Required | Not required (no bypass module needed) |
| Channels | 2 | 2 |
| Input voltage | 110-240V~ 50/60Hz | 100-240V~ 50/60Hz |
| Max current (resistive load) | 10A per channel, 16A total | 8A per channel, 12A total |
| LED load | — | 300W per channel @240V (600W total) |
| Minimum load | — | 3W |
| Wireless | Zigbee 3.0 (IEEE 802.15.4) | Zigbee 3.0 (IEEE 802.15.4) |
| Zigbee role | Router | — |
| Hub required | Yes (Zigbee 3.0 gateway) | Yes (Zigbee 3.0 gateway) |
| External switch types | Rocker, momentary (push button) | Rocker, momentary (push button), SPDT |
| App | eWeLink | eWeLink |
| Dimensions | 45 × 39.4 × 16.8 mm | 45 × 39.4 × 16.8 mm |
| Net weight | 36.2 g | 33 g |
📄 User manual: Download the official SONOFF MINI-ZB2GS user manual (PDF)
📄 User manual: Download the official SONOFF MINI-ZB2GS-L user manual (PDF)