A great way to control your home environment! The Pyle Internal Digital Hygro-Thermometer allows you to monitor both the temperature and humidity level of your home with extreme precision and ease of use. The bright LED display features a clock with alarm as well as the temperature and humidity. The thermometer is accurate within 1 degree Celsius and is able to read the temperature and humidity within 10 seconds. It includes all batteries needed and can display the temperature in both Celsius and Fahrenheit making this device very easy to use and customize.