Large non-contact infrared technology. Delivers easy to read results. Reads body food liquid and room temperature. Date stamp. Auto power off at 18 seconds. Low battery indicator. Three-color backlight with high fever alarm. Measuring time: 2 Second. Measuring distance: 1-5cm. Results in Celsius and Fahrenheit. Temperature range: Min.: 35C (95F) and Max.: 42C (107.6F). Stores up to 50 results in memory. For at home and professional use. Battery: (2) AAA alkaline batteries (included).