Product function: 1. High security 2. Simple operation body handheld design easy to operate. 3. Fast measurement 1 second measurement. 4.High accuracy adapt advanced infrared temperature sensing device high sensitivity. Temperature correction program accurate calculation the measurement results truly reflect the human body temperature. 5.Practical function 35 sets of measurement data memory function. Celsius fahrenheit unit conversion. Fever warning function. Auto power off function low power consumption. 6. Wide range of applicability