How to Set Up Your Sonoff SNZB-02 Zigbee Temp Sensor

What You'll Need

• Sonoff SNZB-02 Temperature & Humidity Sensor
• Zigbee hub (Sonoff ZBBridge, SmartThings, Home Assistant)
• eWeLink app or hub's app
• CR2450 battery (included)

Step-by-Step Setup

1. Insert battery: Pull battery tab or insert CR2450
2. Put hub in pairing mode: Enable Zigbee device discovery
3. Enter pairing mode: Press and hold button for 5 seconds until LED flashes
4. Wait for discovery: Hub will find the sensor
5. Name sensor: Give it a descriptive name
6. View readings: Temperature and humidity appear in app
7. Create automations: Trigger actions based on readings

Key Features

• Dual sensing: Temperature and humidity
• Zigbee 3.0: Compatible with most Zigbee hubs
• Compact design: Small, unobtrusive sensor
• LCD display: Shows current readings
• Long battery: CR2450 lasts 2+ years
• Budget-friendly: Affordable Zigbee sensor

Troubleshooting

• Not pairing: Hold button until LED blinks rapidly. Move closer to hub
• Home Assistant: Works with ZHA or Zigbee2MQTT
• Display updates: Display refreshes periodically to save battery
• Accuracy: Allow 30 minutes to acclimate after placement
• Reset: Hold button 10+ seconds for factory reset