Room temperature monitor: This portable thermometer hygrometer measures humidity and temperature in real time, helps you know indoor air conditions, prevents discomfort or illnesses related to temperature and temperature changes, such as dry skin, colds and arthritis. Large display and accurate readings: Large LCD screen for easy and clear reading. Temperature range from -50 to 70C (-58F~158F), humidity from 10% to 99% RH. Multi-function meter: Not only monitors real-time temperature and humidity, it also displays the exact date and time, it also has a clock function. Max and Min Records: It will display Max/Min/Current temperature and humidity readings. Easy Installation: With hanging hole and retractable bracket, easy to mount it on the wall or simply placed on the table. It is widely used in bedroom, baby room, warehouse and greenhouse.