ESTIMATED DELIVERY 1 TO 2 WEEKS OR SOONER Backlight LCD digital display, lightweight and portable for use. Built-in 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 0.1C/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 Description: 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 Description(ONLY BODY MODE): 32C: red backlight: appear ""LO"" symbol; 32-37.3C: 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. Item Name: Non-contact IR Thermometer Material: ABS Plastic Display Resolution: 0.1C(0.1F) Body Temperature Measurement: 32.0-43C/90-109.4F Ambient Temperature Measurement: 0-60C/32-140F Accuracy: (+/-)0.2C(0.6C error is allowed due to the infrared test and environment effect) Measurement Distance: 1 to 15cm(within 5cm is the best) Auto-shutdown Time: About 7s Power Supply: 2 x 1.5V AA Batteries(Not Included) Operating Temperature: 10-40C/50-104F Storage Temperature: 0-50C/32-122F Relative Humidity: ?85% Item Size: 95mm x 42.5mm x 156mm/3.74" x 1.67" x 6.14" (Approx.) Package Includes: 1 x Non-contact IR Thermometer ?Batteries are no included) 1 x User Manual (English)