Refoss MSS210W

Download PDFFree PDF. The Save button below keeps a bookmark and private notes in your account.

Refoss Smart WiFi Plug MSS210W Instruction Manual

1. Product Overview

The Refoss Smart WiFi Plug (Model MSS210W) is a compact device designed to make your home appliances smart. It allows for remote control, scheduling, and voice control through compatible smart assistants like Alexa and Google Home. Its small size ensures it does not obstruct adjacent outlets.

Four Refoss Smart WiFi Plugs

Image: Four Refoss Smart WiFi Plugs, showing their compact design.

Key Features:

  • Compact Design: Measures approximately 5 x 5.7 x 6.3 cm, preventing blockage of adjacent sockets.
  • Programmable Schedules & Timer: Automate device power on/off based on custom schedules, including sunrise and sunset.
  • Stable Local Control: Experience millisecond response times for local control via the Refoss app when at home.
  • Offline Control: Control plugs via the Refoss app even if your router loses internet connection, provided your phone and plugs are on the same WiFi network.
  • Voice Control & Remote Access: Compatible with Amazon Alexa and Google Assistant for voice commands. Control your devices from anywhere using the free Refoss app.

2. Package Contents

Upon opening the package, you should find the following items:

  • 4 x Refoss Smart WiFi Plugs (MSS210W)
  • 1 x User Manual

3. Setup Guide

3.1. Download the Refoss App

Before starting, download the official Refoss app from your smartphone's app store (iOS or Android). Search for "Refoss" and install the application.

3.2. Initial Plug Setup

  1. Plug the Refoss Smart WiFi Plug into a standard wall outlet.
  2. Ensure your smartphone is connected to a 2.4 GHz WiFi network. The Refoss Smart Plug does not support 5 GHz WiFi networks.
  3. Open the Refoss app and create an account or log in.
  4. Tap the "+" icon in the top right corner of the app to add a new device.
  5. Follow the on-screen instructions to connect the smart plug to your WiFi network. This typically involves putting the plug into pairing mode (often indicated by a blinking LED) and entering your WiFi credentials.
  6. Once connected, you can rename the plug for easier identification (e.g., "Living Room Lamp", "Kitchen Coffee Maker").
Refoss app showing connection process to smart plug and appliance

Image: Diagram illustrating the connection process from the Refoss app to the smart plug and a connected appliance.

3.3. Integrating with Voice Assistants (Alexa/Google Home)

To enable voice control, link your Refoss account with Amazon Alexa or Google Home:

  • For Amazon Alexa:
    1. Open the Alexa app.
    2. Go to "Skills & Games".
    3. Search for "Refoss" and enable the skill.
    4. Link your Refoss account when prompted.
    5. Discover devices.
  • For Google Home:
    1. Open the Google Home app.
    2. Tap "+" > "Set up device" > "Works with Google".
    3. Search for "Refoss" and link your account.
Woman using Alexa to control a lamp connected to a smart plug

Image: A woman using voice commands with an Alexa device to control a lamp connected to a Refoss Smart Plug.

4. Operating Instructions

4.1. Manual Control

Each smart plug has a physical button. Press it once to manually turn the connected appliance on or off.

4.2. App Control

Use the Refoss app to control your smart plugs from anywhere:

  • Tap on a device icon to toggle its power state.
  • Access device settings to set schedules, timers, and other advanced features.

4.3. Scheduling and Timers

The Refoss app allows you to create custom schedules and timers:

  • Schedules: Set specific times for your devices to turn on or off daily or on selected days of the week.
  • Sunrise/Sunset: Configure devices to activate or deactivate automatically at local sunrise or sunset times.
  • Countdown Timer: Set a countdown for a device to turn off after a specified duration.
Refoss app showing scheduling options for smart plugs

Image: Screenshot of the Refoss app displaying scheduling options like "Sunset" and "Sunrise" for automated control.

4.4. Offline Control Capability

The Refoss Smart Plugs support local control. If your internet connection is down, but your smartphone and the plugs are still connected to the same local WiFi network, you can continue to control them via the Refoss app without relying on cloud services.

Diagram illustrating offline control of smart plugs

Image: Diagram showing how smart plugs can be controlled locally via WiFi even when the internet connection is unavailable.

5. Maintenance

The Refoss Smart WiFi Plug requires minimal maintenance. Follow these guidelines:

  • Cleaning: Disconnect the plug from the power outlet before cleaning. Use a dry, soft cloth to wipe the surface. Do not use liquid cleaners or sprays.
  • Firmware Updates: Periodically check the Refoss app for available firmware updates for your plugs. Updates can improve performance and add new features.
  • Storage: If storing the plugs for an extended period, keep them in a cool, dry place away from direct sunlight and extreme temperatures.

6. Troubleshooting

ProblemPossible CauseSolution
Plug not connecting to WiFi
  • Incorrect WiFi password.
  • Connected to a 5 GHz WiFi network.
  • Plug too far from router.
  • Router firewall settings.
  • Double-check WiFi password.
  • Ensure your phone is on a 2.4 GHz network during setup.
  • Move the plug closer to the router.
  • Consult your router's manual or ISP for firewall settings.
  • Reset the plug and try setup again.
Voice control not working
  • Refoss skill/service not enabled or linked.
  • Incorrect device name.
  • Internet connection issue.
  • Ensure the Refoss skill/service is enabled and linked in your Alexa/Google Home app.
  • Use the exact device name configured in the Refoss app.
  • Check your internet connection.
Plug unresponsive via app (offline)
  • Phone and plug not on the same local WiFi.
  • Router is off or malfunctioning.
  • Verify your phone is connected to the same WiFi network as the plug.
  • Check your router's status.

7. Specifications

FeatureDetail
Model NumberMSS210W
Dimensions (L x W x H)50 x 57 x 63 mm (5 x 5.7 x 6.3 cm)
Weight332 g (for 4 units, approx. 83g per unit)
Rated Current10 Amperes
Operating Voltage240 Volts
Max Power Load2500 Watts
Connectivity ProtocolWiFi (2.4 GHz only)
Controller CompatibilityAmazon Alexa, Google Assistant, Google Home
Control MethodApp (Refoss), Voice, Manual Button
MaterialPlastic
IP RatingIP00 (Indoor use only)
Operating TemperatureUp to 40°C

8. Warranty and Support

Refoss products come with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or visit the official Refoss website.

For technical support, troubleshooting assistance, or any product-related inquiries, please contact Refoss customer service through their official website or the Refoss app.

© 2025 Refoss. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.