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 Automatic data hold & Auto powwer off 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 0.1C/0.1F. Automatic data hold function and auto power off function. Selection for buzzer; set alarm value(the alarm default value is 38C/100.4F). Memorization of the last 32 groups of measurement data. Functions F1: when the body temperature exceeds alarm temperature(default value is 38C), 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 (ONLY BODY MODE): F1: red backlight: body temperature exceeds F1 and alarms. Specifications: Color: Blue/Purple/Green(Optional) Material: ABS Plastic Display Resolution: 0.1C(32.18F) Body Temperature Measurement: 32.0-43C / 90-109.4F Ambient Temperature Measurement: 0-60C / 32-140F Body Accuracy: (+/-)0.2C(32.54) Ambient Accuracy: (+/-)1C(33.8) Measurement Distance: 1 to 15cm(within 5cm is the best) Auto-shutdown Time: About 7s Power Supply: 2 x 1.5V R03 AAA Batteries(NOT Included) Operating Temperature: 10-40C / 50-104F Storage Temperature: 0-50C / 32-122F Relative Humidity: 85% Size: 9x15.5cm Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Contents: 1 x Non-contact IR Thermometer 1 x User Manual (English)