【Large Screen Display & Rich Data】Equipped with a 3.6-inch LCD screen, it simultaneously displays real-time temperature and humidity, 24-hour extreme values, and remote sensor data. 【App Monitoring and Advanced Analytics】Track temperature and humidity in the eWeLink app via Zigbee gateway, access detailed records for up to 6 months, including maximum, minimum, and average value curves, as well as dew point and VPD analysis for clear, data-driven air quality insights. 【Remote Temperature Comparison】In Zigbee mode, it can connect with SNZB-02/02P/02WD/02D/02LD devices, instantly displaying temperatures from other sensors without needing to open your phone or enter the room for quick checks. 【Smart Scene Automation】Can be used in conjunction with other smart devices (such as humidifiers, air conditioners, etc.) to help automatically maintain healthy and comfortable temperature and humidity levels in your home. 【Flexible Reporting Frequency】Temperature and humidity reporting intervals can be adjusted based on thresholds or periods, providing data updates that meet your needs. Specifications: Model: SNZB-02DR2 MCU: TLSR8656F512ET32 Zigbee: IEEE 802.15.4 Product Dimensions: 95 x 70 x 18.2mm Shell Material: PC+ABS Working Temperature: -20~60℃ Working Humidity: 5%~95% RH, non-condensing Display: 3.6-inch LCD Wireless Protocol: Zigbee 3.0 Battery Type: 2 x 1.5V AAA batteries, Not Included Detection Range: Temperature -20~60°C; Humidity 0~100%RH