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Know Every Watt.
Automate Every Way.
Matter Over WiFi Smart Switch — MINI ONE PM (MINI-1GSP)



Know Every Watt, Anywhere
Keep track of energy usage in real time and review historical trends through the app, local web interface, or
Home Assistant for a better understanding and management of your energy consumption.

From Rooftop Solar to Real Savings
Track the energy generated by your solar panels and understand the impact on your household electricity costs with clear, real-time insights.

Smart Protection for Every Connected Load
Set safety thresholds for current, voltage, and power. The device automatically switches off before
electrical issues turn into appliance failures.

SONOFF 'OpenEdge' Console
Configure, monitor, and control your device directly from a web browser on your local network.
Reduce cloud dependency while enjoying faster local access and enhanced privacy.

Home Assistant Integration via MQTT Discovery
Connect your device to Home Assistant using MQTT Discovery for real-time data, automation, and seamless smart home integration.

Open API for Unlimited Possibilities
Supports JSON-RPC 2.0 via HTTP, WebSocket, and MQTT for accessing device data and control functions.
Perfectly Compatible with the Matter Ecosystem
With a wider working coverage! MINI-1GSP supports joining the Matter ecosystem, you can integrate it into your usual apps,
such as Apple Home, Google Home, and Alexa.
Works Perfectly with Apple Ecosystem
— Fully Supports Siri, iPhone, iPad and Apple Watch.
Smarter Control, Simpler Living
Control devices remotely, use voice commands, create schedules, and
build smart automations that fit your daily routine.
Remote Control
Schedules & Timers
Voice Control
Smart Scenes
Engineered for Safe, Reliable Operation
Designed with premium components and built-in protections to ensure safe operation and long-term reliability.
Feature Overview
Product Comparison
- Matter Bridge: Bridge-M, ZBBridge-U, iHost, Cube OS with SONOFF Zigbee Dongle
- This function requires adding the device to the eWeLink app via the SONOFF Zigbee gateway and syncing it to third-party platforms through cloud-to-cloud integration.
Wiring Instructions
Compatible Mounting Box Sizes

Specification

Package

Specs & User Manual
MINI-1GSP is a Matter-over-Wi-Fi smart metering switch designed for smarter control, open connectivity, and efficient energy management. It provides local web access for private device configuration and control. Through HTTP, WebSocket, MQTT, and open API interfaces, you can access device data and functions and seamlessly integrate MINI-1GSP with third-party platforms such as Home Assistant, OpenHAB, ioBroker, and Node-RED. With energy monitoring and data visualization, it helps optimize energy usage. Built-in safety protection ensures reliable operation, while Matter compatibility enables seamless integration with major Matter-compatible smart home platforms.
| Product Series | MINI Extreme Series Gen5 |
| Product Name | Matter Over WiFi Smart Switch |
| Product Model | MINI-1GSP |
| MCU | ESP32-C6 |
| Rating | 16A 100–240V~ 50/60Hz Max Resistive Load μ |
| WiFi | IEEE 802.11 b/g/n 2.4GHz |
| Net Weight | 27.3g |
| Dimensions | 39.5 × 33 × 16.8mm |
| Color | White + Green |
| Housing Material | PC |
| Recommended Wire Gauge | 18 AWG to 14 AWG (0.75mm² to 2.5mm²), SOL/STR copper conductor only |
| Installation Location | Indoor concealed installation |
| Operating Temperature | -10℃ ~ 40℃ |
| Operating Humidity | 10% ~ 90% RH, non-condensing |
| Certifications | CE / RoHS / FCC |
FAQ
In eWeLink, when the device is offline, energy data will continue to be stored locally. Once the device comes back online, the local data will be re-synchronized and displayed.
In a LAN-only environment, the device's local web interface and Home Assistant (via MQTT integration) still synchronize data in real time.
Note: If the device is completely powered off, data cannot be stored.
Yes. The device features bi-directional metering, and you can set the device's power generation as a negative value in the app.
Yes, the MINI-1GSP requires a neutral wire for installation.
Specifications
| Brand | Sonoff |
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