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The SONOFF SNZB-02D is a Zigbee 3.0-enabled temperature and humidity sensor featuring a 2.5-inch LCD display. It's designed for smart home integration, offering real-time environmental monitoring with a sleek, user-friendly interface.
🔧 Key Features
- Display: 2.5-inch black & white LCD screen
- Connectivity: Zigbee 3.0
- Temperature Range: -9.9°C to 60°C (±0.2°C accuracy)
- Humidity Range: 5% to 95% RH (±2% RH accuracy)
- Battery: CR2450 coin-cell (approx. 2-year lifespan with 5-second polling)
- Dimensions: 62.5 x 59.5 x 18.5 mm
- Mounting Options: Wall mount (via 3M adhesive) or desktop stand
- Comfort Indicators: Icons for dry, wet, cold, and hot conditions based on user-defined thresholds
⚙️ Setup & Integration
- Pairing: Press and hold the button for 5 seconds until the Zigbee icon blinks, indicating that pairing mode is active.
- Unit Toggle: Double-press the button to switch between Celsius and Fahrenheit.
- Smart Home Compatibility: Works seamlessly with platforms like Home Assistant via Zigbee2MQTT or ZHA.
- MQTT Support: Exposes entities such as temperature, humidity, battery level, and signal strength.
📊 Performance & Accuracy
The SNZB-02D provides reliable readings, with temperature and humidity measurements that closely match those of comparable sensors. It provides real-time data and supports calibration for precise monitoring.