This temperature and humidity detector allows you to better understand the current temperature, humidity and light, allowing you to make adjustments in time based on the data. You can check the data at any time by the Tuya APP on your mobilephone, which is very convenient. If you need this product, come and have a try, it will not let you down. Features: Large LCD Display: Large square screen allows you to browse the entire screen easily, making the visual center more clear, more convenient for elderly and children. APP Remotes Monitoring: After connecting the Tuya APP, you can check the data on your mobilephone easily, even if you are far away from home. Temperature&Humidity&Light Display: This can detect temeprature, humidity and light for you at the same time. Alarm Clock Function: This function can replace a traditional alarm clock. Wide Applications: This sensors can be widely used in your home, office, hotel, living room, bedroom, etc. Specifications: Material: ABS Power: 2 * AA batteries (NOT INCLUDED) Working Temperature: -10-60(14-140) Working Humidity: 0%-100% Storage Temperature: -10-60(14-140) Storage Humidity: 0%-90% Package size: 98 * 88 * 53mm / 3.9 * 3.5 * 2.1in Package weight: 95g / 3.6ounce Packing list: 1 * Temperature Humidity Sensors