I'm a big fan of Android smartphones with built-in thermal cameras, such as the awesomeUlefone Power Armor 18T .
I also understand that some people just don't want to have to swap out their smartphones to get access to this useful superpower.
Also: My favorite USB-C accessory of all time just got a useful upgrade (and it's 30% off)
If you don't want to buy a new smartphone, this is the tool for you. Right now, you can get it for$50 off, the InfiRay P2 Pro.
The InfiRay P2 Pro consists of a tiny thermal camera and a magnetic snap-on macro lens that allows the camera to be brought super close to the item being examined.
Also: They told me I could bring this TSA-approved multitool on a plane - here's how that went
The camera is indeed tiny. Measuring 27