Open box Temperature and humidity sensor Sonoff SNZB-02WD, Zigbee 3.0

What does "open box" mean?

Open-box products are returned products with opened or damaged packaging, but fully checked from a technical point of view and completely functional. They come with the same warranty as new products.

Sonoff SNZB-02WD smart temperature and humidity sensor, Zigbee 3.0, with LCD display, IP65

Accurately monitor the temperature and humidity in your home with Sonoff SNZB-02WD – a smart Zigbee 3.0 sensor equipped with a 2.2” LCD screen and a water-resistant housing (IP65). Perfect for indoor or semi-outdoor spaces, it provides accurate real-time measurements, automatically synchronised with the eWeLink app.

Note: This product uses the Zigbee protocol and requires a compatible Zigbee hub/bridge (e.g. Sonoff ZBBridge-P / Sonoff ZBBridge-U / Sonoff ZBDongle-E / Sonoff Dongle-M) to be connected to the network and controlled from the app. It does not work on its own over WiFi.

Built-in LCD display – See the measured values instantly, directly on the sensor's screen.
Smart control via Zigbee 3.0 – Connects to compatible Zigbee hubs (Sonoff ZB Bridge Pro, NSPanel Pro, ZBDongle-E/P, Alexa with built-in Zigbee hub etc.).
Automation through smart scenes – Automatically activates fans, humidifiers or other Zigbee/Wi-Fi devices through the eWeLink app.
High-precision Swiss sensor – Accuracy of ±0.2°C for temperature and ±2%RH for humidity.
Reading updated every 5 seconds – Precise values, transmitted constantly.
Cloud history of up to 6 months – View minimum and maximum values by hour or by day; you can export the data to files.
Quick and flexible installation – Attaches with 3M adhesive tape, a magnetic mount or a table stand.
Low battery alerts – Get a notification when the battery level drops below 10%.
‍‍‍ Family sharing – Allows access for other members without reconnecting.

Package contents:

• Sonoff SNZB-02WD sensor

• CR2477 battery (included)

• Magnetic mount

• Double-sided adhesive tape

• User manual

Ideal for any space where climate control matters: living rooms, offices, greenhouse, cellar, bathroom or balcony!

Practical use cases

• Installed in a child's room, it sends an alert to your phone if the temperature drops below a threshold, so the heating can switch on automatically.
• Placed in a cellar or pantry, it monitors humidity to prevent mould and protect food.
• Integrated into an automation that switches on the dehumidifier or the bathroom ventilation when humidity exceeds a certain level.

Technical specifications: