Sonoff Manuals

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User Manual 3

Key facts

Manuals
3
Languages
EN · ZH
Last added
2026-10-03

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User Manual

Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.

Questions answered in Sonoff manuals

Why does the device show “offline” after it has been added?

After adding, the device needs 1–2 minutes to connect to the router and the internet; if it stays offline, check the Wi‑Fi LED status and retry pairing.

From: SONOFF BASICR2/RFR2 Wi‑Fi Smart Switch User Manual

What does a green LED flashing twice per second indicate?

It means the switch is connected to Wi‑Fi but cannot reach the server (no internet connection).

From: SONOFF BASICR2/RFR2 Wi‑Fi Smart Switch User Manual

Can I view recorded video on a computer?

Yes. Power off the camera, remove the TF card, insert it into a computer, and play the video files.

From: SONOFF GK-200MP2-B Wi-Fi Wireless IP Security Camera User Manual

How do I pair the SNZB-02 sensor with the eWeLink app?

Long‑press the reset button for 5 seconds until the LED flashes three times, then add the device in the eWeLink app while it is in pairing mode.

From: SONOFF SNZB-02 Temperature and Humidity Sensor User Manual

Can the sensor be installed on metal surfaces?

No, installing the sensor on metal surfaces can affect wireless communication distance, so it should be placed on non‑metallic surfaces.

From: SONOFF SNZB-02 Temperature and Humidity Sensor User Manual