1. Introduction
Thank you for choosing the SURFOU Smart Wi-Fi Plug. This device allows you to control your home appliances remotely, monitor energy consumption, and integrate with smart home systems like Alexa, Google Home, and SmartThings. This manual provides detailed instructions for setup, operation, and troubleshooting to ensure optimal use of your smart plug.
2. Safety Information
- This smart plug is designed for indoor use only.
- Ensure the connected appliance's power consumption does not exceed the maximum rating of 16A / 3600W. Overloading can cause damage or fire.
- The smart plug supports ONLY 2.4 GHz Wi-Fi networks. It is not compatible with 5 GHz Wi-Fi.
- Do not disassemble, repair, or modify the device.
- Keep away from water, fire, and high humidity environments.
- For safety, ensure proper grounding when plugging into an outlet.
3. Package Contents
- SURFOU Smart Wi-Fi Plugs (3-Pack)
- User Manual
4. Setup
4.1. Download the App
The SURFOU Smart Wi-Fi Plug works with the Tuya Smart or Smart Life app. Download the app from the App Store (iOS) or Google Play Store (Android).
- Search for "Tuya Smart" or "Smart Life" in your app store.
- Download and install the app.
- Register an account or log in if you already have one.
4.2. Connect to Wi-Fi
- Plug the smart plug into a power outlet.
- Open the Tuya Smart or Smart Life app.
- Tap the "+" icon in the top right corner to add a device.
- Select "Electrical Outlet" or "Socket (Wi-Fi)" from the device list.
- Follow the in-app instructions to put the device into pairing mode (usually by pressing and holding the power button on the plug until the indicator light blinks rapidly).
- Enter your 2.4 GHz Wi-Fi network name and password.
- Wait for the app to connect the smart plug. Once connected, you can rename the device.

Image: Three SURFOU Smart Wi-Fi Plugs shown alongside a smartphone displaying the Tuya/Smart Life app interface, indicating remote control capabilities.
4.3. Pair with Voice Assistants (Alexa / Google Home)
To enable voice control, link your Tuya Smart or Smart Life account with your Amazon Alexa or Google Home app.
- Open the Alexa or Google Home app.
- Navigate to the "Skills & Games" (Alexa) or "Works with Google" (Google Home) section.
- Search for "Tuya Smart" or "Smart Life" skill/service.
- Enable the skill/service and link your Tuya/Smart Life account using your app credentials.
- Discover devices. Your smart plugs should now appear and be controllable via voice commands.

Image: A child and an adult in a bedroom, using a smart speaker to control a lamp, illustrating voice control functionality with Alexa or Google Home.
5. Operating the Smart Plug
5.1. Remote Control via App
Once connected, you can control your appliances from anywhere using the Tuya Smart or Smart Life app:
- Turn On/Off: Tap the power icon next to the device name to toggle power.
- Set Schedules: Create custom schedules to automatically turn devices on or off at specific times.
- Timers: Set countdown timers for devices to switch off after a set duration.
5.2. Energy Monitoring
The smart plug provides real-time and historical energy consumption data:
- In the app, select the smart plug you wish to monitor.
- Look for the "Power Statistics" or "Energy Monitoring" section.
- View daily, monthly, or yearly consumption, current power, voltage, and estimated costs.

Image: A smartphone screen displaying a graph of daily energy consumption within the Tuya Smart Life application, demonstrating the energy monitoring feature.
5.3. Group Control
Manage multiple smart plugs simultaneously by grouping them in the app:
- In the app, go to the device settings or a dedicated "Group" section.
- Create a new group and add the desired smart plugs.
- You can now control all devices in the group with a single command or schedule.

Image: A kitchen counter with various appliances (e.g., coffee machine, dishwasher) connected to smart plugs, all controlled simultaneously via a smartphone app, illustrating group control.
6. Maintenance
- Cleaning: Disconnect the smart plug from the power outlet before cleaning. Use a dry, soft cloth to wipe the surface. Do not use liquid cleaners.
- Firmware Updates: The app may prompt you for firmware updates. It is recommended to keep the device firmware updated for optimal performance and security.
7. Troubleshooting
- Plug not connecting to Wi-Fi: Ensure your Wi-Fi network is 2.4 GHz. Check your Wi-Fi password. Move the plug closer to your router. Reset the plug by unplugging and replugging it, then try pairing again.
- App not responding: Check your internet connection. Close and reopen the app. Ensure the smart plug is powered on.
- Voice control not working: Verify that your Tuya/Smart Life account is correctly linked to Alexa or Google Home. Ensure the device name is recognized by the voice assistant.
- Energy monitoring data incorrect: Ensure the connected appliance is functioning correctly and the plug is securely inserted.
- Plug not turning on/off: Check if the plug is receiving power. Ensure the connected appliance is working.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | BSD33-F |
| Dimensions (L x W x H) | 5.2 x 5.2 x 8.5 cm |
| Weight | 20 grams |
| Operating Voltage | 230 Volts |
| Max Current Rating | 16 A |
| Max Power | 3600 W |
| Wi-Fi Standard | 2.4 GHz only |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Operating Mode | ON-OFF |
| Connector Type | Plug-in |
9. Warranty and Support
SURFOU products are designed for reliability and performance. For warranty information or technical support, please refer to the purchase platform or contact SURFOU customer service directly. Please have your model number (BSD33-F) and purchase details ready when contacting support.




