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The Sonoff SNZB-02D is a smart Zigbee 3.0 temperature and humidity sensor featuring a large, easy-to-read LCD display for instant, local readings. It combines the convenience of a digital display with the power of Zigbee-based automation, making it ideal for living spaces, wine cellars, nurseries, server rooms, or greenhouses.
With its e-ink display, the SNZB-02D offers excellent readability and ultra-low power consumption. It integrates seamlessly with Zigbee hubs such as the Sonoff Zigbee Bridge Pro, ZBBridge-P, or third-party systems like Home Assistant. Real-time data, alerts, and smart scenes can be configured via the eWeLink app.
⚠️ Important Note: This sensor requires a Zigbee hub and does not support Wi-Fi or Bluetooth. It is intended for indoor use only.
| Technical Specifications – Sonoff SNZB-02D | |
|---|---|
| Model | Sonoff SNZB-02D |
| Sensor Type | Temperature & Humidity with LCD display |
| Display | 2.5″ e-ink screen (black & white) |
| Temperature Range | -10°C to +60°C (±0.2°C accuracy) |
| Humidity Range | 0% to 100% RH (±3% accuracy) |
| Wireless Protocol | Zigbee 3.0 (IEEE 802.15.4) |
| Power Supply | 2× AAA batteries (not included) |
| Battery Life | Up to 2 years (typical use) |
| Waterproof | No – indoor use only |
| Output Voltage | Not applicable (sensor only) |
| Zigbee Hub Required | Yes – requires Zigbee 3.0 hub |
| App Integration | eWeLink, Home Assistant (ZHA, Zigbee2MQTT) |
| Alerts & Scenes | Custom automation via app |
| Mounting Options | Adhesive, stand, or wall mount |
| Dimensions | 62 mm × 59 mm × 22 mm |
| Operating Environment | Indoor only (dry conditions) |