Review on EZthings Heavy Duty LCD Display Non-Contact Infrared Forehead Thermometer For Medical Offices, Hospitals (White, Heavy Duty) by Justin Newport

It will show every person in a large group at exactly the same temperature (statistical unlikely results) but if you heat the gun (hair dryer for a few seconds and repeat the same group in the same conditions they would all be the same again, just a few degrees warmer. It’s like it’s taking it’s own temp, not the subject’s temperature