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This dongle-sized thermal camera is astonishingly good
Thermal Master's P2 is the smallest thermal camera yet, and it plugs into any Android phone.
(Image credit: Harish Jonnalagadda / Android Central)While having a dedicated thermal camera is great, you get USB-C dongles these days that provide the same utility, and they're just as good. (Image credit: Harish Jonnalagadda / Android Central)The P2 weighs just 10g, and comes in a tiny plastic package with a built-in carabiner attachment, allowing you to hook it to a key ring or bag with ease. So if you need a thermal camera to monitor issues in a power line, identify leaks around the house, or see just how hot your devices get, the P2 is a decent enough choice.
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