- Thlevel digital thermometer hygrometer, ideal for monitoring temperature and humidity in indoor spaces. - Pack of 5 units, suitable for refrigerators, freezers, rooms, cellars, greenhouses, and more. - Temperature measurement range: -50 to 70 °C, with a deviation of ±2 °C. - Humidity measurement range: 20% to 90% RH, with a deviation of ±5% RH. - Data updates every 10 seconds for maximum accuracy and reliability. - Mini and simple design, easy to install and move as needed. - Easy-to-read digital display, no complicated settings. - Each thermometer includes two LR44 button batteries for immediate operation. - Perfect for controlling the environment in homes, warehouses, children's rooms, and closets.