1. Introduction
Thank you for choosing the Refoss HomeKit Outdoor Smart Plug MSS620. This device allows you to control two outdoor electrical appliances independently or simultaneously using a smartphone app or voice commands. It is designed for outdoor use with an IP44 waterproof rating, making it suitable for various environments like gardens, patios, and garages. Please read this manual carefully before use to ensure proper installation and operation.

Image: The Refoss HomeKit Outdoor Smart Plug MSS620, showing its compact design with two outlets and a power cord.
2. Safety Information
- IP44 Waterproof Rating: The outdoor socket is IP44 rated, providing protection against solid objects larger than 1mm and splashes of water from any direction. It includes a dustproof cover for added protection.
- Do Not Immerse: The Refoss outdoor socket must not be immersed in water or flushed directly with water.
- Proper Installation: Ensure the device is installed in a location where it is protected from direct heavy rain or prolonged exposure to water.
- Electrical Safety: Do not exceed the maximum load of 16A (3840W) per outlet. Overloading can cause damage to the device and pose a fire hazard.
- Operating Environment: Use the device within the specified temperature and humidity ranges.
- Children and Pets: Keep the device out of reach of children and pets to prevent accidents.

Image: Diagram illustrating the IP44 splashproof design, showing that the device is safe for outdoor use with splashes but should not be immersed or flushed with water.
3. Package Contents
Please check the package for the following items:
- 1 x Refoss HomeKit Outdoor Smart Plug MSS620
- 1 x User Manual
4. Product Features
- Dual Individual Outlets: Control two connected devices simultaneously or separately. Each outlet supports a maximum load of 16A, 3840W.
- Remote Control: Manage your outdoor appliances from anywhere using the eHomelife app or Apple Home app (iOS 13 or later).
- Voice Control: Compatible with Siri, Amazon Alexa, and Google Assistant for convenient hands-free operation.
- Scheduling & Timer Function: Set custom schedules to automatically turn devices on/off, optimizing energy usage and simplifying daily routines.
- IP44 Waterproof: Designed for outdoor use with protection against splashes and dust.
- 2.4GHz Wi-Fi Support: Connects to your home network via 2.4GHz Wi-Fi (5GHz Wi-Fi networks are not supported).

Image: A user interacting with a smart home system, demonstrating voice control compatibility with Siri, Alexa, and Google Home for the outdoor smart plug.
5. Setup Instructions
5.1 Physical Installation
- Choose a suitable outdoor location for the smart plug, ensuring it is protected from direct heavy rain.
- Plug the Refoss HomeKit Outdoor Smart Plug into a standard electrical outlet.
- Connect your outdoor appliances (e.g., garden lights, fountain pumps) to the two outlets of the smart plug.
5.2 App Download and Pairing
- Download the eHomelife app from the Apple App Store or Google Play Store. For Apple HomeKit users, you can also use the built-in Apple Home app.
- Ensure your smartphone is connected to a 2.4GHz Wi-Fi network. The smart plug does not support 5GHz Wi-Fi.
- Open the eHomelife app and follow the on-screen instructions to add a new device. You may need to scan a QR code on the device or its packaging.
- During the pairing process, the app will guide you to connect the smart plug to your 2.4GHz Wi-Fi network.
- Once successfully paired, you can name the device and its individual outlets within the app.
5.3 Connecting to Voice Assistants
To enable voice control, link your eHomelife account with your Amazon Alexa or Google Assistant account through their respective apps. For Apple HomeKit, the device will automatically appear in the Home app after pairing.
6. Operating Instructions
6.1 Manual Control
The smart plug has a physical button. Pressing this button will toggle the power for both outlets simultaneously.
6.2 App Control
Open the eHomelife app or Apple Home app on your smartphone.
- Tap on the device icon to turn the entire smart plug on or off.
- To control individual outlets, tap on the device to access its detailed control interface. Here, you can toggle each outlet (e.g., 'Outlet 1', 'Outlet 2') independently.

Image: A smartphone screen displaying the Refoss app interface, showing remote control functionality for a smart outdoor plug.

Image: An outdoor smart plug connected to two different light strings, illustrating the ability to control each outlet separately via the Refoss app.
6.3 Voice Control
Once linked, use voice commands with your preferred assistant:
- Siri: "Hey Siri, turn on the garden lights."
- Alexa: "Alexa, turn off the outdoor fountain."
- Google Assistant: "Hey Google, set the patio heater to on."
6.4 Scheduling and Timers
Within the eHomelife app, navigate to the 'Schedule' or 'Timer' section for your smart plug.
- Create custom schedules for specific times of day or days of the week.
- Set countdown timers for devices to turn off after a set duration.
- The scheduling function operates locally and will continue to work even if your internet connection is temporarily unavailable.

Image: A smartphone displaying the Refoss app's scheduling interface, showing options to set routines for outdoor lights to turn on and off at sunrise/sunset, helping to save energy.
7. Maintenance
- Cleaning: Disconnect the smart plug from power before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or immerse the device.
- Storage: If not in use for an extended period, store the smart plug in a cool, dry place away from direct sunlight and moisture.
- Inspection: Periodically check the power cord and plug for any signs of damage. Do not use if damaged.
8. Troubleshooting
- Device Unresponsive:
- Check if the smart plug is properly plugged into a working power outlet.
- Verify your Wi-Fi network is active and the smart plug is within range.
- Ensure your smartphone is connected to the internet.
- Try restarting the smart plug by unplugging it for 10 seconds and plugging it back in.
- Cannot Connect to Wi-Fi:
- Confirm your Wi-Fi network is 2.4GHz. The device does not support 5GHz Wi-Fi.
- Ensure your Wi-Fi password is correct.
- Move the smart plug closer to your Wi-Fi router during setup.
- If using a mesh network, ensure your phone is connected to the 2.4GHz band during the initial pairing process.
- Voice Control Not Working:
- Ensure the smart plug is successfully linked to your voice assistant account (Siri, Alexa, Google Assistant).
- Check the device name in the app and use clear, correct commands.
9. Specifications
| Specification | Detail |
|---|---|
| Model Number | MSS620 |
| Manufacturer | Refoss |
| Product Dimensions (LxWxH) | 15.1 x 8 x 5 cm |
| Weight | 417.6 g |
| Operating Voltage | 240 Volts |
| Current Rating (Max per outlet) | 16 Ampere |
| Max Load (Max per outlet) | 3840 Watts |
| Operating Mode | ON-OFF |
| Connection Type | Plug-in |
| Switch Type | Remote Control |
| Material | Polyvinyl Chloride |
| Waterproof Rating | IP44 |
| Wi-Fi Standard | 2.4GHz only |
10. Warranty and Support
Warranty: Refoss offers a free replacement for any product issues within two years from the date of purchase.
Support: If you encounter any problems or have questions regarding your Refoss HomeKit Outdoor Smart Plug MSS620, please contact Refoss customer support. Support will respond within 24 business hours to assist you.
For the latest support information and contact details, please visit the official Refoss website or refer to the contact information provided with your product packaging.





