Reliable non-contact measurement in 1'', illuminated large LCD screen for easy use even in the dark. \ \ the non-contact body ir infrared thermometer is specially designed to measure body temperature, regardless of room temperature. There is a possibility of a difference in temperature depending on the type and thickness of the skin. When the internal temperature shows a significant difference, then the thermometer must be placed in the room for 15 to 20 minutes before use. \ \ features: \ \ • accurate non-contact measurements \ • user-selectable c° or f° \ • automatic range and screen resolution. \ • automatic data storage and automatic shutdown. \ • alarm value setting (default alarm value is 38°C (100.4°F) \ • LCD backlight display. \ • memorization of the last 32 measurements. \ \ The human body temperature varies during the day. It can also be affected by many external factors: age, gender, skin types and thickness. \ \ Normal temperature depending on age. \ \ The package also includes 2 AAA batteries \