1. Indoor & Outdoor Temp Humidity Monitor: Large Screen with Huge Digits displays the current indoor-outdoor temperature and humidity percentages. 2. Large Screen & Accurate Readings: Large LCD screen for easy and clear reading. Temperature range from -58°F ~ to 158°F(-50 ~ to 70 °C), humidity range from 10% to 99% RH.3. Multi-function Meter: Not only monitor real time temperature and humidity, it also display exact date and time, it also have clock function.4. Easy To Use: Degree C & F unit selectable, memory of MAX & MIN measuring value, 12 hour / 24 hour displaying system selectable. 5. Easy Installation: With hanging hole and retractable stand, easy to mount it on wall or simply placed on the table. It is widely used in bedroom, baby room, warehouse and greenhouse.