Here is a nifty gadget that turns your Android smartphone into a sophisticated Infrared Thermal Imaging Camera with 384 x 288p resolution. You will be able to record video and images in real-time at 25Hz with the Hti-Xintai HT-301. It comes with a focus ring too.
The HT-301 is compatible with Micro USB and USB-C smartphones. It has 6 color palettes for you to choose from (white hot, iron rainbow, iron gray, …). The HT-301 is great for inspecting leaks, electrical faults, and even hunting in the dark.