SONOFF SNZB-02WD - Temperature and humidity sensor

Introduction

The SNZB-02WD is a Zigbee temperature and humidity sensor, featuring a 2.2″ LCD display for direct data readout. Designed to withstand outdoor conditions, its IP65 waterproof housing with breathable membrane enables it to operate indoors as well as outdoors - ideal for gardens, greenhouses, windows, cellars, garages or other locations subject to moisture.

Key functions

• Precise real-time measurement of temperature (± 0.2°C) and humidity (± 2% RH).
• Immediate display on 2.2″ LCD screen - convenient for viewing data without going through an app.
• IP65-certified case, dust- and splash-proof, suitable for use outdoors or in damp environments.
• Wireless communication via Zigbee 3.0 - compatible with gateways SONOFF, as well as home automation platforms such as eWeLink, Home Assistant, Zigbee2MQTT or Jeedom.
• Home automation functions available via the application: data history, export/import of measurements, creation of automations or alerts in the event of sudden variations in temperature or humidity.

Technical specifications

• Wireless protocol: Zigbee 3.0 (IEEE802.15.4)
• Power supply: CR2477 button cell (included)
• Temperature measurement range: -20°C to +60°C
• Humidity measurement range: 0% to 100% RH
• Accuracy: ±0.2°C for temperature, ±2% RH for humidity
• Protection rating: IP65 (dust + splash water)
• Dimensions: 62.8 × 58.5 × 21.8 mm
• Net weight: 65.6 g
• Material: PC + ABS case, white