Features: 1Optimal Temperature and Humidity: This digital wireless hygrometer thermometer helps ensure optimal temperature and humidity levels in your home, and alerts you when it's time to adjust your thermostat or humidifier. 2Wireless Convenience: Powered by batteries, the wireless sensors can be installed in any room of your home or even in outdoor areas such as greenhouses or tents, allowing you to monitor temperature and humidity levels with ease. 3Compact Design: The compact size of this hygrometer thermometer makes it an easy fit for any home decor, and the user friendly display makes it easy to read both indoor and outdoor temperatures at a glance. 4Multiple Sensors: With three sensors, this hygrometer thermometer can track temperature and humidity levels in multiple locations, giving you a comprehensive overview of your home environment. 5Popular Gift Option: This mini hygrometer thermometer makes a great Christmas gift to family and friends, who will surely appreciate its practicality and convenience in enhancing their living space. Package included: 1 x&nbspDigital Hygrometer Thermometer 3 x&nbspSensor 1 x USB Cable 1 x English Specification