[10 Readings Memory & Portable] Our contactless thermometer can store up to 10 temperature readings to help track and record body temperature easily so that you can take prompt response in time according to the data changes. With its size compact and weight light, the thermometer for fever is perfect for hospitals, schools, supermarkets, malls, subways, clinics, homes, etc. [Non-contact & Fever Alarm] Needs no contact with the body, the digital thermometer can instantly complete the temperature measurement on the body surface, ears, face, neck, and forehead within 1-5cm effective distance, actually more hygienic and convenient than an oral, rectal, and underarm thermometer, reducing the risk of cross-infection. The fever Alarm function allows you to respond in time. [Accurate & Intuitive] Compared with traditional mercury and digital thermometer take minutes, the forehead thermometer gun with an advanced microchip and high sensitivity sensor can accurately capture the infrared heat from the forehead and intuitively read it on the LCD display screen in 1 sec, with the accuracy range of only ± 0.4 ° F. [2021 Latest Optimized Algorithm] Instead of a contact probe, the non-contact infrared forehead thermometer adopts a cutting-edge algorithm and a high-quality infrared probe to minimize the error caused by the program fault, ambient light, and sound, suitable for accurate indoor and outdoor temperature measurement.