Real-time Monitoring: The 13-in-1 multifunctional temperature and humidity monitor allows you to monitor 5 sets of temperature and humidity data in real-time. With the integrated time and date display, it also offers alarm clock functionality for added convenience. WiFi Connectivity: Stay connected with your temperature and humidity readings through the TuyaAPP. This smart device supports WiFi connection, allowing you to monitor and access historical data. Plus, the time and date automatically sync with your phone for easy tracking. Clear and Adjustable Display: Featuring a 2.8-inch TFT screen, this temperature and humidity monitor provides clear and easy-to-read information. You can adjust the screen brightness and toggle between Celsius and Fahrenheit units using the TuyaAPP. Long-lasting Battery: Equipped with a built-in 2000mAh high-capacity battery, this monitor has low power consumption and offers long endurance. No need to worry about wiring or constantly recharging. It's designed for convenience. and Versatile: Made from premium ABS material, this 13-in-1 temperature and humidity monitor is and to shocks. It's perfect for various environments such as homes, offices, schools, warehouses, and agricultural settings. Enjoys reliable and accurate temperature and humidity monitoring wherever you need it. Specifications: Display: 2.8 Inch TFT Screen Temperature Detection Ranges: -20-55, 1 Humidity Detection Ranges: 0-99%RH, 3%RH Main Unit Voltage: 3.7V Subunit Voltage: 3.0V Main Unit Battery: Built-in 3.7V, 2000mAh Lithium Battery Subunit Battery: 2 * AAA Battery(Not Included) Working Current: 180mA Main Unit Size: 89 x 83 x 36mm/ 3.5 x 3.3 x 1.4 inch Subunit Size: 59 x 59 x 19mm/ 2.3 x 2.3 x 0.7 inch Colour:White Material:ABS PackageContents: 1 * Air Quality Monitor(Main Unit) 5 * Subunit 1 * USB-TypeC Cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.