Here is a compact gadget that turns your Android phone into an infrared thermometer. The PCsensor USB-C Infrared Thermometer is ideal for measuring body temperature with no contact. It also works on everyday objects with a measurement range of 0 to 60C.
The device has body and object modes with 3cm detection range. In body mode, the temperature range is 32 to 42C with ± 0.3℃ accuracy.