SONOFF AirGuard TH 3.6'' LCD Zigbee Temperature and Humidity Sensor | SNZB-02DR2 AirGuard TH is a Zigbee LCD temperature and humidity sensor designed for comprehensive monitoring of indoor climate conditions. Equipped with a large 3.6-inch display, it shows real-time temperature, humidity, 24-hour extremes, and data from remote sensors at a glance. The data can be monitored via the app and displayed in various graphs and charts. In Zigbee mode, it can connect to SNZB-02/02P/02WD/02D/02LD devices to instantly display other sensor readings, enabling quick checks without a phone or entering the room. It calculates dew point and VPD curves for quantitative insights into air quality and supports adjustable reporting intervals for customized data updates. Voice control is available after integration with Alexa, Google Home, and SmartThings, making climate management smarter and more convenient. Large Display & Comprehensive Data Features a 3.6'' LCD screen that simultaneously displays real-time temperature and humidity, 24-hour extremes, and data from remote sensors at a glance. App Monitoring & Advanced Analysis Track temperature and humidity in the eWeLink app via a Zigbee gateway and access up to 6 months of detailed records, including maximum, minimum, and average curves, as well as dew point and VPD analyses, to gain clear, data-driven insights into air quality. Remote Temperature Comparison In Zigbee mode, it connects to SNZB-02/02P/02WD/02D/02LD devices to instantly display the temperatures from other sensors, allowing you to quickly check conditions without opening your phone or entering the room. Smart Scene Automation Works with other smart devices-such as humidifiers, air conditioners, and more-to automatically maintain a healthy, comfortable temperature and humidity level in your home. Flexible Reporting Frequency Customizable temperature and humidity reporting intervals based on thresholds or cycles, providing data updates tailored to your needs. Note: The remote device must be connected to the same SONOFF Zigbee gateway, including: Bridge-P, Bridge-U, NSPanel Pro, iHost