1. Introduction
The SONOFF BASICR2 WiFi Switch is a smart device designed to integrate with your existing household appliances, enabling remote control and automation through a Wi-Fi network. This manual provides essential information for the safe installation, setup, and operation of your BASICR2 switch.

Image 1.1: Three SONOFF BASICR2 WiFi Switches, showing input/output terminals and product labeling.
2. Product Overview
The BASICR2 switch allows you to control connected devices from anywhere using the eWeLink app on your smartphone. It supports voice control via Amazon Alexa and Google Assistant, offers timing functions, and enables device sharing among multiple users.
Key Features:
- Remote Control: Turn connected appliances on/off from anywhere via the eWeLink App.
- Voice Control: Compatible with Amazon Echo, Echo Dot, and Amazon Tap for hands-free operation.
- Timing Function: Set countdown, scheduled on/off, and loop timers for automated control.
- Share Control: Share device control with family members or friends.
- Smart Scenes: Create custom automation routines.

Image 2.1: Visual representation of the SONOFF BASICR2's core functionalities.
3. Safety Information
Please read and understand all safety instructions before installation and use. Improper installation can lead to electric shock or fire.
- Ensure power is disconnected at the circuit breaker before performing any electrical work.
- Installation should be performed by a qualified electrician if you are not familiar with electrical wiring.
- Do not exceed the maximum load rating of 10 Amps / 2500 Watts.
- Keep the device away from water and high humidity environments.
- Do not attempt to disassemble or modify the device.
4. Specifications
| Specification | Value |
|---|---|
| Model | BASICR2 |
| Operating Voltage | 249.99 Volts |
| Current Rating | 10 Amps |
| Wattage | 2500 Watts |
| Connectivity Protocol | Wi-Fi |
| Control Method | Remote |
| Controller Type | Android, iOS |
| Item Dimensions (L x W x H) | 2.1 x 1.2 x 1.1 inches |
| Item Weight | 6.4 ounces |
| International Protection Rating | IP00 |
| Contact Type | Normally Closed |
| Terminal | Screw |
| Contact Material | Brass |
5. Installation
The SONOFF BASICR2 switch is designed for in-line installation with your electrical appliances. Follow these steps carefully:
- Disconnect Power: Before starting, ensure the main power supply to the circuit is turned off at the breaker.
- Identify Wires: Locate the live (L) and neutral (N) wires for both the input (power source) and output (appliance).
- Connect Input: Connect the input live wire to the 'Input L' terminal and the input neutral wire to the 'Input N' terminal on the BASICR2 switch.
- Connect Output: Connect the output live wire (to the appliance) to the 'Output L' terminal and the output neutral wire to the 'Output N' terminal.
- Secure Connections: Ensure all screw terminals are tightened securely to prevent loose connections.
- Mount Device: Place the switch in a suitable, protected location, ensuring it is not exposed to moisture or excessive heat.
- Restore Power: Once all connections are secure and the device is safely mounted, restore power at the circuit breaker.
Warning: Incorrect wiring can cause damage to the device or connected appliances, and poses a risk of electric shock.

Image 5.1: Example wiring diagram for connecting the SONOFF BASICR2 to a light fixture.
6. Setup
6.1. eWeLink App Download
The SONOFF BASICR2 requires the eWeLink app for initial setup and remote control. Download the app from:
6.2. Wi-Fi Pairing
After installing the app and creating an account:
- Power on the BASICR2 switch.
- Press and hold the pairing button on the switch for approximately 5-7 seconds until the LED indicator blinks rapidly (usually three short blinks followed by one long blink). This indicates pairing mode.
- Open the eWeLink app, tap the '+' icon to add a device, and follow the on-screen instructions.
- Ensure your smartphone is connected to a 2.4 GHz Wi-Fi network. The BASICR2 does not support 5 GHz Wi-Fi for initial setup.
- Enter your Wi-Fi network name and password when prompted in the app.
- The app will search for and connect to the device. Once connected, you can rename your switch.
6.3. Voice Control Integration
To enable voice control with Amazon Alexa or Google Assistant:
- Ensure your BASICR2 switch is successfully paired with the eWeLink app.
- Open the Amazon Alexa app or Google Home app.
- Navigate to the 'Skills & Games' (Alexa) or 'Works with Google' (Google Home) section.
- Search for and enable the 'eWeLink Smart Home' skill.
- Link your eWeLink account when prompted.
- Discover devices. Your BASICR2 switch should now appear and be controllable via voice commands.

Image 6.1: Voice control setup with Amazon Alexa and Google Assistant.
7. Operating Instructions
7.1. Remote Control via eWeLink App
Once your BASICR2 switch is connected, you can control it from anywhere:
- Open the eWeLink app.
- Select the desired device from your device list.
- Tap the power icon to toggle the connected appliance on or off.
7.2. Timing Schedules
Automate your devices with schedules:
- In the eWeLink app, select your BASICR2 switch.
- Tap on the 'Timer' or 'Schedule' icon.
- Set up 'Countdown', 'Scheduled On/Off', or 'Loop Timer' based on your needs.

Image 7.1: Illustration of the timing function for automated control.
7.3. Group Control
Manage multiple SONOFF devices simultaneously:
- In the eWeLink app, go to the 'Home' tab.
- Tap the '+' icon and select 'Group'.
- Select the devices you wish to group together and assign a group name.
- You can now control all devices in the group with a single tap or voice command.

Image 7.2: Group control interface within the eWeLink app.
7.4. Sync Device Status
Check the real-time status of your devices:
- Open the eWeLink app.
- The device list will display the current on/off status of each connected switch.

Image 7.3: Sync device status on the eWeLink app.
8. Maintenance
To ensure optimal performance and longevity of your SONOFF BASICR2 switch:
- Keep the device clean and free from dust. Use a dry, soft cloth for cleaning.
- Avoid exposing the device to extreme temperatures or direct sunlight.
- Periodically check electrical connections for tightness, especially after initial installation.
- Ensure your Wi-Fi network is stable and provides adequate signal strength to the device.
9. Troubleshooting
If you encounter issues with your SONOFF BASICR2 switch, refer to the following common problems and solutions:
- Device fails to pair with Wi-Fi:
- Ensure your Wi-Fi network is 2.4 GHz. The device does not support 5 GHz networks for pairing.
- Verify the Wi-Fi password is correct.
- Make sure the device is in pairing mode (LED blinking rapidly). If not, press and hold the pairing button for 5-7 seconds.
- Move the device closer to your Wi-Fi router during the pairing process.
- Try disabling cellular data on your phone during the pairing process, as some users have reported this helps.
- Device is offline in the app:
- Check your Wi-Fi router and internet connection.
- Ensure the device has power.
- Restart the device by cycling its power.
- Voice control not working:
- Confirm the eWeLink skill is enabled and linked in your Alexa or Google Home app.
- Ensure your voice assistant device is online and functioning correctly.
- Try rediscovering devices in your Alexa or Google Home app.
- Device is unresponsive:
- Check the physical wiring connections.
- Verify the connected appliance is working correctly.
- If the device is completely unresponsive, try a factory reset (refer to eWeLink app instructions for specific reset procedures, as they can vary).
10. Warranty and Support
The SONOFF BASICR2 WiFi Switch comes with a 1-year warranty. During this period, you are eligible for a money-back guarantee or product exchange for manufacturing defects.
For further assistance, please refer to the eWeLink app's help section or visit the official SONOFF support website.





