4 in 1 Infrared ThermometerThe digital forehead thermometer is suitable for all ages, adults, children and the elderly. It supports forehead, ear, object and air temperature measurement. and are easy to change. Accurate and reliableThe non-contact infrared thermometer has passed the test of accuracy and reliability. (Measuring deviation 0.1 degree) You only need to press a button when using this infrared forehead thermometer, and the accurate temperature can be provided immediately within 1 second. Fever AlertLCD display with fever warning system clearly displays measurement data. The fever thermometer will display the temperature status with corresponding emoticons. If the temperature exceeds 38 degrees, an alarm will sound to remind you. Easy to UseThe easy-to-read LCD screen displays important information. at night, babies or toddlers can use the unique silent mode feature. The infrared forehead thermometer has the following features: Precise: clinically accurate algorithm with calibration in three steps Magnetic probe cover makes it more convenient to use With large screen display of current and previous readings. Multifunction : adult forehead mode, child forehead mode, ear mode and object mode Fast measurement, less than 1 second Audible and visual fever warning Switch between mute and non-mute modes Four-color LCD display with backlight temperature indication Celsius and Fahrenheit modes Automatic shutdown after 10S and power saving 39;energy non-contact thermometer The infrared thermometer will automatically turn off after 10 seconds of inactivity, saving energy. The forehead thermometer adopts a backlit screen design, which can read the data clearly even at night. The forehead thermometer can be set to Mute mode, so you don't have to worry about waking up a sleeping baby at night. The non-contact thermometer has a memory function and can store nearly 40 sets of data, allowing you to better record your body temperature. When the cover is closed: The infrared thermometer defaults to the forehead temperature measurement mode.< /p> When opening the cover: The non-contact thermometer defaults to the ear temperature measurement mode. Contactless measurement The measuring distance of this digital thermometer is 0-3 cm, the result is known in 1 second. forehead thermometer Measuring range: Forehead and ear: 32.0C - 42.9C (89.6F - 109.2F) Accuracy (laboratory) : Ear and forehead mode 0.2 C / 0.4 F Object mode 1.0 C / 2.0 F Display resolution: 0.1C / F