Perfecxa Forehead Infrared ThermometerPerfecxa Forehead Infrared Thermometer Scope Of Use Hospital Institution Home Office Features: 3 Colour LED Backlight 32 Memory Function Self Calibration Object Measurement 60 Second Auto Shut Off 2 Second Reading Fahrenheit Or Calsius Exchange Fever Alram Function Measurement Range 1 15cm Ideal 5cm is for the best result Japanese Sensor For Better Accuracy and Durability Perfecxa Non Contact Infrared Thermometer with Talking Function 7in1 JBX 181