Here is another tiny gadget that turns your iPhone into a no-touch forehead thermometer. The YLY infrared thermometer plugs into your phone’s Lightning port and works without an app. It displays the results on its OLED display. You can view the temperature in Celsius and Fahrenheit.
The YLY No-Touch Forehead Thermometer is also available for devices that have a USB Type-C port. It is compact enough to fit in your pocket.[where to get it]