I like using a thermal camera while testing phones — it gives me an easy point of reference to see which parts of the device are overheating. I've used several cameras over the years, including Thermal Master's P2 and the Fluke iSee. The latter is interesting because it's made by a brand that's known for its industrial tools, and in did a good job in my usage.

Not to be outdone, Thermal Master rolled out the P3, which is arguably the best thermal camera dongle you can get today. The dongle connects over USB-C, and I didn't have any issues using it with my Galaxy Z Fold 7 and iPhone 17 Pro. The P3 retails for $299 on Amazon, and it costs the same on the brand's website. If you're buying via Thermal Master's site, you get an additional 10% off by using code Android10.

The P3 is considerabl

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