It's infrared thermal imaging, selfie is OK, but it's not very beautiful . The main temperature measurement, no light at night in the case of use. Said you heard, infrared heat tracking egg pouring.
(There is no light) Look at the road conditions at night, look for pets, look at the abnormal heating of electrical appliances, look at the temperature of the bottle, etc. You think you can use it. The imaging principle is to collect all the infrared thermal radiation with temperature after imaging.
Do you take a selfie?
What is this?
Professional
High-tech.