1、Non-contact infrared measurement, safe to use. 2、Lightweight and portable, convenient to carry. 3、One-key to switch the Measurement Mode, short press the \"Set\" key can cycle switch between \"Body temperature mode\" and \"Object temperature mode\". 4、Two temperature units for conversion: Fahrenheit or Celsius. 5、Aiming towards the forehead with the distance of 10-30mm. 6、Automatic storage of measurement data, you can view the data of previous measurement at any time. 7、LEDs backlight display, can be used at inght. 8、One-second measurement, stable use and reliable quality. Features: Non-contact infrared measurement, safe to use. Lightweight and portable, convenient to carry. One button to switch the Measurement Mode, short press the "Set"button can cycle switch between "Body temperature mode" and "Object temperature mode". Aiming towards the forehead with the distance of 10-30mm. Automatic storage 32 sets of measurement data, you can view the data of previous measurement. Three colors LEDs backlight display, can be used at night. One-second measurement, stable use and reliable quality. Specifications: Item type: Thermometer Color: Purple Material: ABS plastics Accuracy(Body): Within the range of 35℃-42℃, ±0.2℃ Outside the range of 35℃-42℃, ±0.3℃ Accuracy(Surface): 32-42.9℃(Temperature mode) ±0.2℃ Measurement Distance: 10-30mm Measurement position: Forehead center Response-time: ≤2 seconds Auto-shutdown-Time: 15±5s D C 3V (2 * 1.5V AAA-Batteries(NOT Included) Operating condition: 10-35℃, 20%-85% RH or less, 760 HPA-1060 HPA Trichromatic backlight: 32℃~37.2℃ Green 37.3℃~38℃ Yellow 38.1℃~42.9℃ Red (Only tricolour edition) Package size: 165*110*50mm/6.49*4.33*1.96inches Package weight: 120g/4.23ounces Note: 1.In order to get a more accurate numerical value, it is advised to measure the temperature of forehead as much as possible. 2.There are two styles of the product. The style will be sent at random. Please understand, thanks. Packing List: 1 * Thermometer 1 * Manual 1 * Thermometer 1 * Manual