Equipped with the most advanced medical infrared technology and high precision laser to give you the most accurate temperature reading.Non-Contact Thermometer is specifically designed to capture accurate temperature readings from a 1-2-inch distance from forehead or ear. Readings can be taken without contaminating the device.The thermometer will store the last 32 temperature measurements in order to assist you with recording medical history.The three-color display quickly indicates ones body temperature in an easy to view format. A normal body temperature will flash the green backlight (34.0-37.4/93.2-99.4), a low fever will show a yellow backlight (37.5-38.5/99.5-101.3), and a high fever will show a red backlight (38.6-43.0/101.4-109.4). Choose between Celsius and Fahrenheit readings.Powered by 2 x AAA Battery. Not included.