Pack of 4 Mini ZigBee Smart Temperature and Humidity Sensors Suitable for SONOFF SNZB-02D - Indoor Thermometer Hygrometer with LCD Screen, 5S Update, Compatible with Alexa and Google Home.

🎯 Product Description: Accurately monitor your indoor environment with this SONOFF SNZB-02D mini temperature and humidity sensor. Compact and discreet, it combines an integrated LCD screen and ZigBee 3.0 connectivity to provide real-time monitoring, either directly on the device or remotely via your smartphone. Ideal for home automation, it integrates seamlessly into your smart home ecosystem, allowing you to maintain a comfortable and healthy environment in every room. 📡 Real-time remote monitoring Simultaneous tracking via remote mobile app and integrated LCD screen ZigBee connection range up to 120 meters (400 feet) in open space Instant viewing of values without having to open the app Compatible with all ZigBee 3.0 hubs on the market 🎯 High-precision measurements and ultra-fast refresh Equipped with a Swiss-made hygrometer module for exceptional reliability Measurement accuracy: ±0.2 °C (±0.4 °F) for temperature and ±2% RH for humidity Automatic data refresh every 5 seconds Captures even the slightest ambient variations in real time 🖥️ Large, clear, and intuitive LCD screen Dynamically displays real-time temperature and humidity values Intuitive display icons for at-a-glance control Integrated battery status indicator Easy reading even in low-light conditions 🔔 Smart alerts On your smartphone: Freely define your ideal temperature and humidity thresholds. Receive instant notifications on your phone as soon as values exceed your limits. Act quickly to correct ambient conditions. Maintain a comfortable environment for you and your family. 💾 Detailed data storage and export: Benefit from six months of free cloud storage. View the detailed history of hourly measurements. Easily check maximum and minimum values per hour or per day. Export all recorded data as files for in-depth analysis. 📐 Technical specifications: Model: SNZB-02D Protocol: ZigBee 3.0 Temperature accuracy: ±0.2 °C (±0.4 °F) Humidity accuracy: ±2% RH Refresh rate: Every 5 seconds Display: LCD screen Connection range: Up to 120 m in open space Cloud storage: 6 months free Compatibility: Alexa, Google Home, Home Assistant, and all ZigBee 3.0 hubs Power supply: CR2477 battery (not included) (included) Dimensions: ~ 45 x 45 x 15 mm Weight: ~ 25 g 🏠 Ideal Applications ✅ Monitoring living spaces (living room, bedroom, kitchen) ✅ Environmental control in children's rooms ✅ Monitoring conditions in cellars and attics ✅ Monitoring greenhouses and indoor gardens ✅ Protecting artwork and moisture-sensitive objects ✅ Integration into advanced home automation scenarios 💡 Installation and Usage Tips Place the sensor in a well-ventilated area, away from direct sunlight and heat sources. Avoid placing it near windows, doors, or heating/air conditioning units. Ensure it is within range of your ZigBee hub for a stable connection. Clean the screen regularly with a soft, dry cloth. Replace the battery when the low battery indicator appears.