Non-contact Body Infrared Thermometer is specially designed to take the body temperature of a person regardless of room temperature.Depending on various skin types and thickness, there may be temperature difference. When the indoor temperature is significantly different, the body infrared thermometer should be placed in that room for 15-20 minutes before using. Features: Backlight LCD digital display, Lightweight and portable for use. Built-in laser pointer, precise non-contact infrared measurement. 2 temperature units for conversion: Fahrenheit or Celsius, long press "MODE" more than 5s. Measurement modes selection for various needs conveniently. Body temperature measurement: aiming towards the forehead with the distance of 1-15cm. Different backlight color for different temperature range under BODY mode. Object temperature measurement: measuring the surface temperature of an object, baby bath water temperature or milk temperature, etc. Automatic selection range and display resolution 0.1°C/0.1°F. Automatic data hold function and auto power off function. Selection for buzzer; set alarm value(the alarm default value is 38°C/100.4°F). Memorization of the last 32 groups of measurement data. Functions Description: F1: when the body temperature exceeds alarm temperature(default value is 38°C), will display red backlight and alarm; F2: calibration(default 0), you can set when there is a temperature deviation; F3: alarm switch(ON-OFF), when turn on the alarm, the screen will appear loudspeaker icon; F4: modes selection(default BODY), the screen will display "Body temp" under BODY mode. Backlight Color Description(ONLY BODY MODE): <32°C: red backlight: appear "LO" symbol; 32-37.3°C: green backlight: body temperature is normal; 37.3-F1: yellow backlight: body temperature is high but not exceed the alarm temperature; >F1: red backlight: body temperature exceeds F1 and alarms. Specifications: Color: Light Blue / Light Purple / Light Green(Optional) Material: ABS Plastic Display Resolution: 0.1°C(0.1°F) Body Temperature Measurement: 32.0-43°C / 90-109.4°F Ambient Temperature Measurement: 0-60°C / 32-140°F Accuracy: (+/-)0.2°C Measurement Distance: 1 to 15cm(within 5cm is the best) Auto-shutdown Time: About 7s Power Supply: 2 * 1.5V AAA Batteries(NOT Included) Operating Temperature: 10-40°C / 50-104°F Storage Temperature: 0-50°C / 32-122°F Relative Humidity: ≤85% Item Size: 95 * 42.5 * 156mm / 3.74 * 1.67 * 6.14in (L * W * H) Item Weight: 110g / 3.9oz Package Size: 20 * 11 * 4.8cm / 7.87 * 4.33 * 1.89in (L * W * H) Package Weight: 201-220g / 7.12-7.74oz