---
product_id: 305348230
title: "SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack)"
brand: "sonoff"
price: "¥3025"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/305348230-sonoff-s31-wifi-smart-plug-with-energy-monitoring-15a-smart
store_origin: JP
region: Japan
---

# 15A max current 100-day energy monitoring 2.4 GHz WiFi only SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack)

**Brand:** sonoff
**Price:** ¥3025
**Availability:** ❌ Out of Stock

## Summary

> 🔌 Plug into smarter living — control, monitor, and save like a pro!

## Quick Answers

- **What is this?** SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack) by sonoff
- **How much does it cost?** ¥3025 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/305348230-sonoff-s31-wifi-smart-plug-with-energy-monitoring-15a-smart)

## Best For

- sonoff enthusiasts

## Why This Product

- Trusted sonoff brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Schedule & Save:** Set countdown, single, or repeat timers to automate your devices and slash energy bills.
- • **Share the Smart Life:** Easily share device control with family or colleagues for collaborative convenience.
- • **Seamless Smart Control:** Works flawlessly with Alexa, Google Home, and IFTTT for effortless voice and app commands.
- • **Power Up with Precision:** Supports up to 15 amps for heavy-duty appliances without breaking a sweat.
- • **Energy Insights at Your Fingertips:** Track real-time power, voltage, and current plus 100-day historical energy usage and cost data.

## Overview

The SONOFF S31 WiFi Smart Plug is a compact, ETL-certified smart outlet supporting up to 15 amps and 120V AC. It connects exclusively via 2.4 GHz WiFi and integrates with Alexa, Google Home, and IFTTT for voice and remote control. Featuring advanced energy monitoring, it provides real-time and 100-day historical data on power consumption and costs. Its scheduling and sharing capabilities empower users to optimize energy use and collaborate on smart home management, making it ideal for tech-savvy professionals seeking efficiency and control.

## Description

SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack) - desertcart.com

## Features

- Note: The SONOFF S31 only works with 2.4GHZ WiFi, not 5GHZ WiFi at all, and not 2.4GHZ/5GHZ Dual Band WiFi. make sure your network has different sids for 2.4GHZ and 5GHZ networks, and the device will work properly.
- Monitor Energy Consumption: Keep track of real-time power, current and voltage of your appliances on App.and Measure your appliances’ power consumption for 100-day daily/monthly energy usage data and total electricity cost.
- Works with Alexa & Google Home,IFTTT Supporting: Link "eWeLink Smart Home" skill. You can directly ask desertcart Echo/Echo Dot/desertcart Tap to turn on/off your SONOFF devices.Link "eWeLink Smart Home" on Google Home app, start to voice control your SONOFF devices on Google Home.
- Smart Remote Control Plug: You can remotely/timely control ON/OFF any connected home appliance via APP eWeLink on your smart phone or tablet. No distance/time limitation.
- Set time schedules for the lights and home appliances: You can set countdown/single/repeat timers to auto-turn on/off the WiFi controlled outlet on App. One tap ON/OFF Energy Saving.
- Share control of devices to others: You can simply share control of your home appliances to others so that they can also turn on/off the devices remotely.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08X2944W7 |
| Actuator Type | Push Button |
| Best Sellers Rank | #479,983 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #536 in Electrical Outlet Switches |
| Brand | SONOFF |
| Brand Name | SONOFF |
| Circuit Type | 1-way |
| Color | White |
| Compatible Devices | Amazon Alexa, Google Home |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Plug In |
| Control Method | Remote |
| Controller Type | Amazon Alexa, Google Assistant, IFTTT |
| Current Rating | 15 A |
| Customer Reviews | 4.5 out of 5 stars 378 Reviews |
| International Protection Rating | 50 |
| Item Dimensions | 3 x 2 x 1.02 inches |
| Manufacturer | SONOFF |
| Material Type | Copper |
| Model | S31 |
| Mounting Type | Plug In Mount |
| Number of Items | 4 |
| Number of Positions | 1 |
| Operation Mode | Off |
| Part Number | S31 |
| Specification Met | dot/amazon,etl certified |
| Switch Type | Touch |
| Terminal | Blade |
| Unit Count | 4 Count |
| Wattage | 1800 watts |

## Product Details

- **Brand:** SONOFF
- **Connector Type:** Plug In
- **Contact Type:** Normally Open
- **Current Rating:** 15 A
- **Item dimensions L x W x H:** 3 x 2 x 1.02 inches
- **Material:** Copper
- **Operating Voltage:** 120 volts
- **Operation Mode:** Off
- **Switch Type:** Touch
- **Terminal:** Blade

## Images

![SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack) - Image 1](https://m.media-amazon.com/images/I/51i71k05oxL.jpg)
![SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack) - Image 2](https://m.media-amazon.com/images/I/614i1i2ezfL.jpg)
![SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack) - Image 3](https://m.media-amazon.com/images/I/61GgbPF0O0L.jpg)
![SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack) - Image 4](https://m.media-amazon.com/images/I/71p39egkmHL.jpg)
![SONOFF S31 WiFi Smart Plug with Energy Monitoring, 15A Smart Outlet Socket ETL Certified, Work with Alexa & Google Home, IFTTT Supporting, 2.4 Ghz WiFi Only (4-Pack) - Image 5](https://m.media-amazon.com/images/I/71L0V1FpSKL.jpg)

## Questions & Answers

**Q: Will this smart plug work with 5G networks?**
A: Can't! The plug can only be used for 2.4G networks!

**Q: How to deal with an unavailable connection?**
A: First of all, check if the network is correct and working properly, if that doesn't work, you can reset the plug and reconnect the pairing, and feel free to tell us if you have any further questions.

**Q: Does the pairing method support zigbee in addition to WiFi?**
A: Zigbee pairing is not supported for now.

**Q: Can the energy consumption monitoring function record the power consumption at any time?**
A: Yes, it's also possible to view weekly and monthly power consumption to help you save energy better.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.jp/products/305348230-sonoff-s31-wifi-smart-plug-with-energy-monitoring-15a-smart](https://www.desertcart.jp/products/305348230-sonoff-s31-wifi-smart-plug-with-energy-monitoring-15a-smart)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-31*