SONOFF Zigbee Indoor Temperature Humidity Sensor, SNZB-02D LCD Zigbee Thermometer Hygrometer, Works with Alexa & Google Home for Remote Monitoring and Home Automation, ZigBee 3.0 Hub Required, 1-Pack

【Remote Real-time monitoring】SNZB-02D sensor will monitor the temperature and humidity in real time at the APP remotely or computer screen, with As much as 120m/400ft coverate.
【High Accuracy & 5s Fast Refresh】Built-in Swiss-made smart hygrometer sensor that will provide you with more accurate readings maintaining ±0.2°C/±0.4°F accuracy in temperature and ±2%RH accuracy in humidity, refreshes readings each 5 seconds.
【Large LCD screen display】Use large LCD display to view the true-time values of temperature humidity clearly and dynamically, the intuitive display icons can help you check the room conditions and battery status even easier than ever.
【App notifications】You’ll receive instant alerts out of your phone when the temperature or humidity exceeds your set comfort level.
【Data Storage & Export】As much as half-year free cloud storage, and most accurate enough to view hourly data, you’ll be able to also check the highest and lowest values at any hour or day and data can also be exported as files.