Sonoff SNZB-02D Zigbee LCD Smart Temperature & Humidity Sensor – High-Precision Monitoring with Real-Time Display

Sonoff SNZB-02D Zigbee LCD Smart Temperature & Humidity Sensor – High-Precision Monitoring with Real-Time Display

The SONOFF SNZB-02D is a Zigbee 3.0 temperature and humidity sensor with a built-in LCD screen. It measures temperature to ±0.2°C and humidity to ±2% RH, shows the readings on its display, and sends them through a Zigbee gateway to the app, where you can see history and receive alerts. It runs on a CR2450 coin-cell battery.

Accurate Swiss-made sensor: The SNZB-02D uses a Swiss-made sensor with ±0.2°C temperature accuracy, ±2% RH humidity accuracy and 0.1 resolution for both. This means small changes in the room show up clearly in the readings.

LCD display: The screen shows the current temperature, humidity, a room-condition icon and the battery status, so you can check the room at a glance without opening your phone.

Fast reporting: The sensor reports a change within 5 seconds, and sends a reading at least once every 60 minutes even when nothing changes. Your app and automations therefore work with up-to-date values.

Alerts, history and export: In the app you can set a comfort range and receive a notification when the readings go outside it. Data is kept in the cloud for up to 6 months and can be exported as files.

Smart scenes: The readings can trigger smart scenes, for example turning on a humidifier when humidity drops below a level you choose.

Flexible placement: The sensor can stand on a table, attach with its magnetic back, or be fixed to a wall with 3M adhesive.

Who it's for / Works with

Works with Zigbee 3.0 gateways and hubs, and with Amazon Alexa and Google Home voice assistants.

Good to know

This is a Zigbee sensor, not Wi-Fi: it needs a Zigbee 3.0 gateway or hub to connect to the app. The range of up to 120 m is stated for open space with no obstructions.

Technical Specifications

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