4 in 1 Infrared Thermometer The digital forehead thermometer is suitable for all ages, including adults, children, and the elderly. It supports forehead, ear, object, and air temperature measurement and is easy to use. Accurate and Reliable The non-contact infrared thermometer has been tested for accuracy and reliability. (Measurement deviation 0.1 degree) Simply press a button to obtain accurate temperature readings within 1 second. Fever Alert The LCD screen features a fever warning system and clearly displays measurement data. The thermometer displays temperature status with corresponding emoticons. If the temperature exceeds 38 degrees, an alert will sound as a reminder. Memory Function One-click access to 40 groups of historical body temperature data allows for timely tracking of temperature changes throughout the day, making it convenient to compare temperature before and after treatment. Easy to Use The easy-to-read LCD screen displays important information. Regardless of the time of day or night, the unique silent mode can be used comfortably for babies or toddlers.