Product Overview
Introduction
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Product Name |
SONOFF BASICR4 Smart Switch |
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Product Model |
BASICR4 is a Wi-Fi 10A single-channel smart switch integrating APP remote control, voice control, timer, and other functions. You can control your home appliances anytime, anywhere, and also create a variety of smart scenes to facilitate your life.
Highlights
- Chip Upgrade: Features the EFR32 series chip, significantly enhancing communication capabilities for improved performance.
- Remote Appliance Control: Monitor and control connected appliances from anywhere with internet access. Stay informed and in control, even when you're away from home.
- Home Automation: Integrate the BASICR4 into your smart home ecosystem to create customized scenes and schedules tailored to your daily routines.
- Magic Switch Mode: Make your double-pole rocker switches smart control lights. Even when the wall switch is turned off, full app control stays in your hands!
- Auxiliary Overheating Protection: Equipped with a built-in temperature sensor, the device monitors internal heat in real time to help prevent deformation, melting, fire, or exposure of live parts due to excessive temperature.
Applications
- Smart Lighting Control
Upgrade traditional wall switches for lights or ceiling lamps into smart switches with Zigbee connectivity. Control lighting remotely via app, voice assistant, or automation scenes.
- Remote Control for Home Appliances
Turn home appliances, such as fans, coffee machines, or water dispensers, on or off from anywhere using your smartphone via the app.
- DIY Smart Home Projects
Ideal for makers and DIY enthusiasts looking to add smart control to existing non-smart devices without replacing them entirely.
- etc...
Specification
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Model |
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MCU |
ESP32-C3FN4 |
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Input |
100-240V ~ 50/60Hz Max 10A |
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Output |
100-240V ~ 50/60Hz Max 10A |
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Max. power |
2400W@240V |
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Wireless Connectivity |
Wi-Fi IEEE 802.11b/g/n 2.4GHz |
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Net weight |
45.8g |
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Product dimension |
88x39x24mm |
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Color |
White |
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Casing material |
PC V0 |
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Applicable place |
Indoor |
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Working temperature |
-10℃~40℃ |
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Working humidity |
10%~95% RH, non-condensing |
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Certification |
ISED/FCC/RoHS/ETL/CE/SRRC |
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Executive standard |
EN IEC 60669-2-1, UL 60730-1, CSA E 60730-1 |
eWeLink Key Features
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Device Home Page Functions |
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Key Features |
Feature Description |
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On / Off |
Device on/off state |
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Schedule |
Set the device to complete the specified action at the specified time. |
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Timer |
Set delayed actions for the device to execute after a specified time |
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Loop Timer |
The device executes a predefined action cyclically at specified time intervals. |
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Device Settings |
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Key Features |
Feature Description |
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Third-party Platforms |
Alexa |
You can control your smart devices through third-party services, including voice control. |
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Google Home |
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IFTTT |
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SmartThings |
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Alice |
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Assign location |
Set up the home and room where the device is located. |
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Share |
The device can be shared with other eweLink accounts. |
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Create Group |
After multiple devices are created into a group, you can synchronize all devices in the group. |
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Smart Scene |
Trigger Condition |
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Execution Action |
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LAN Control |
A control method where the app communicates directly with the device over the same router, without going through the cloud platform.
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eWeLink-Remote Sub-devices |
If you have also purchased the SONOFF R5, you can add it as a "sub-device" to the MINI-RBS. By using the "Scene Function" in the eWeLink app, the two devices can be linked, allowing the Sonoff R5 to function as a convenient wireless remote controller. |
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Push notifications |
After turning on "Push notifications", also make sure to grant notification permissions in Phone Settings > Permissions for the eWeLink app. This allows you to receive push notifications when the device status changes.
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Offline Alert |
Turn on the "Offline Notifications" feature, and grant eWeLink notification permissions in Phone Settings > Permissions. You will receive a mobile push notification 5 minutes after the device goes offline.
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Logs |
Records of device status changes. (You can view the operation records of the past three months) |
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Network Indicator |
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Magic Switch Mode |
Add a wire to connect L1 to L2 on the wall switch following the manual, and the device will stay online even when you switch it off via the wall switch after “Magic Switch Mode" enabled.
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Power-on State |
The switch state of the device when power is restored after a power outage.
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Power-on State will be delayed for the time you set.
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Inching Settings |
The device automatically turns off/turns on after being on for a specified duration.
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Wi-Fi Settings |
Configure the WiFi network connected to the device. |
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Delete Device |
Remove the device from the eWeLink platform. |
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Installation and Configuration Guide
①Button
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Button |
Description |
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Single press |
Turn on/off the device |
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Press & hold 5 seconds |
Device enters the pairing mode |
② LED indicator (Blue)
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LED Indicator (Blue) |
Description |
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Keeps on |
Online |
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Flashes once |
Offline |
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Flashes twice |
LAN connection active |
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Flashes two short + one long |
In Pairing Mode |
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Flashes three times |
OTA |
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Keep flashing |
Overheat protection |
③ Input/Output Terminal
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Terminals |
Description |
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N (Left) |
Neutral (Input Terminal) |
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L (Left) |
Live (Input Terminal) |
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N (Right) |
Neutral (Output Terminal) |
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L (Right) |
Live (Output Terminal) |
④ Protective cover
Wiring Diagrams
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WARNING:
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Terminals |
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Wires |
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N (Left) |
Neutral (Input Terminal) |
N |
Neutral Wire |
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L (Left) |
Live (Input Terminal) |
L |
Live (100~240V) Wire |
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N (Right) |
Neutral (Output Terminal) |
N |
Load Neutral Wire |
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L (Right) |
Live (Output Terminal) |
L |
Load Live Wire |
Magic Switch Mode:
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Note: Only compatible with mainstream brands of double pole rocker switches Rocker switches. The rear-end light needs to be compatible with mainstream brands of LED, energy-saving lamps, and incandescent lamps ranging from 3W to 100W. *This function also applies to dual-control lamps. |
After short-circuiting the L1 and L2 of the switch terminals through the wires, the device can still be online and can be controlled through the APP after the users flip the wall switch to turn off/on the light.
• Add a wire to connect L1 to L2 on the wall switch following the manual, and the device will stay online even when you switch it off via the wall switch after 'Magic Switch Mode' enabled.
• The “Power-on State” will automatically be set to OFF, to make the 'Magic Switch Mode' functional when enabled.
• The “Magic Switch Mode” will automatically disable after your adjustment to the 'Power-on State'.
Auxiliary Overheating Protection
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Note: *Please note that this function only serves as auxiliary protection and cannot be used in place of a circuit breaker. |
With the product's built-in temperature sensor, the real-time maximum temperature of the entire product can be detected and specified, which prevents the product from deformation, melting, fire, or live devices from being exposed in case of over-temperature.
The device automatically cuts off the load when it gets too hot. To exit the overheating protection mode, simply press the button on the device after confirming that the load is functioning normally without any internal shorts, excessive power, or leaks.
Add Device
Open eWeLink to scan the QR code on the Quick Guide or the device itself to add the device.
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Power on the device.
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Enter“Scan”.
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Select“Add Device”.
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enter the password. |
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FAQ
1. What types of devices can be connected to BASICR4?
It supports up to 10A of resistive loads such as lights, kettles, and heaters. Avoid connecting inductive loads (e.g., motors) that exceed rated power.
2. Can I share the device with my family?
Yes. You can share the device via the eWeLink app with other family members for joint control.
3. Does BASICR4 support timer/countdown/schedule functions?
Yes. You can set timers, countdowns, and loop schedules in the app to automate switching.
4. Does it support smart scene linkage with other devices?
Yes. You can create scenes in the eWeLink app to trigger actions with other SONOFF or compatible devices.
Troubleshooting
1. Unable to pair with Wi-Fi
Make sure your mobile device and BASICR4 are on the same 2.4GHz Wi-Fi.
Make sure the device is in pairing mode.
2. BASICR4 paired but cannot be controlled remotely
Ensure your phone has internet access.
Make sure the router is connected to the internet.
Check that the device LED is steady (indicating successful connection to the server).
If still not working, restart your router and the device, or try re-pairing.
3. BASICR4 shows as offline in the app
Check if the device has power.
Ensure Wi-Fi coverage is stable and strong.
If the device is too far from the router, try relocating it or using a Wi-Fi extender.
4. BASICR4 turns off or restarts unexpectedly
Check if the connected load exceeds 10A.
Ensure all wiring is secure and there is no short circuit.
If the BASICR4 overheats, it will turn off for protection.
5. Button/LED not responding
Confirm that the device is powered.
If unresponsive, try a factory reset (press and hold the button for 10 seconds).
If the issue persists, it may be a hardware failure—please contact after-sales support.
Application Explore
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1:1 Scale Model for SONOFF BASICR4 |
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This is a 1:1 scale physical mockup model of the SONOFF BasicR4. The model accurately replicates the outer dimensions of the device and is intended to help you check installation space, test mounting positions, or design custom accessories and enclosures. It includes all major contour lines and port positions, allowing for reliable size validation before purchasing or finalizing a design. |
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Access Link: 1:1 Scale Model for SONOFF BASICR4 |
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Know more
For a detailed guide and review of the SONOFF BASICR4, visit our free course at the SONOFF Academy.