With an exceedingly simple scan across the forehead, 16 infrared sensors take over 4,000 measurements to find the hottest point. It requires no contact with the skin, unlike traditional methods, making Thermo is the most sanitary way to take anyone’s temperature. Readings appear illuminated on the device, and if desired, will sync to your smartphone for tracking and much more. Its typical list price of $100 has been reduced 30% to $70. See the discounted Withings Thermo thermometer on Amazon.