☑ Size B(Without battery): This product is a professionalinfrared non-contact digital thermometer for body temperature detection,which can be widely used in schools, Customs, hospitals, and households with easy and simple modesselection, equipped with LCD display and featured functions such as buzzer alarm, temperature records, backlight reminder, temperature offset setting, threshold setting, automatic shutdown, etc. Description: 1. Multi core functions: health-free contact, 1 second temperature measurement, Bass care, no noise measurement. 2. Contactless-The thermometer measures the temperature by inhaling the infrared heat emitted by the human body, healthy and reliable to use. 3. Convenient to Measure-Align the thermometer probe in the middle of the forehead and maintain a vertical distance of about 3-5 cm. 4. Press it lightly, and the measurement value will be announced with a beep after about 1 second. Fast and accurate, suitable for infants, children, adults. 5. Low power design, No measurement after 15s, automatically close the screen to avoid battery loss. 6. Power: 2*AAA batteries (not included). Performance: Measuring range: 32.0-42.4℃ in body mode Measuring time: about 1 second Measuring distance: 1~5cm Displaymode: LCD Current consumption: ≤10µA in OFF status, ≤100mA in ON status (it is with auto shutdown self-detection function) Power: 2 x AAA batteries(3.0v)（not included） Style : Handheld Package includes: 1 x thermometer (without battery)