Tech & Gadgets · Head-to-head
Xinfrared (InfiRay) InfiRay P2 Pro vs Seek Thermal Nano 300
Which should you buy? Here's the honest call, pulled from our full The Best Thermal Imaging Cameras: 4 Compared (and One to Skip) comparison.
The InfiRay P2 Pro delivers the best mix of image quality, speed and versatility for the money, and its macro lens is a genuine trump card. The Seek Thermal Nano 300 is the pick when you want the sharpest, widest view for scanning rooms and buildings.
Xinfrared (InfiRay) InfiRay P2 Pro
Buy itA thumb-sized 256x192 camera that punches far above its size, with a macro lens no rival matches.
- Excellent detail and clean images for a sensor this small
- Included magnetic macro lens is unique — great for circuit boards and fine electronics
- Genuinely pocketable 9g all-metal body with a fast 25Hz refresh
- Mature app with plenty of palettes and on-image measurement tools
- No screen of its own — it is useless without a compatible phone
- The tiny magnetic macro lens is easy to misplace
Seek Thermal Nano 300
Buy itThe highest native resolution and widest view of the group, ideal for scanning whole rooms and buildings.
- True 320x240 sensor — the sharpest native resolution here
- Wide field of view takes in a whole wall or ceiling at once
- Fast 25Hz refresh and strong thermal sensitivity for spotting subtle differences
- USB-C and Lightning versions cover modern iPhones and Android phones
- Temperature range tops out lower than the others, so it is not for very hot targets
- No macro lens and no built-in screen
Side by side
| Xinfrared (InfiRay) InfiRay P2 Pro | Seek Thermal Nano 300 | |
|---|---|---|
| Our verdict | Buy | Buy |
| Best for | Hobbyists, makers and electronics/PCB troubleshooters who want the best image-per-dollar in a keychain-sized package. | Home inspectors, HVAC techs and anyone chasing insulation gaps, drafts or moisture across large surfaces. |
| Price tier | $$ · mid-range | $$ · mid-range |
The bottom line
Our overall pick is the Xinfrared (InfiRay) InfiRay P2 Pro - A thumb-sized 256x192 camera that punches far above its size, with a macro lens no rival matches. Choose the Seek Thermal Nano 300 instead if home inspectors, HVAC techs and anyone chasing insulation gaps, drafts or moisture across large surfaces.
Want the full picture, including the other options we compared and the popular one we'd skip? Read the complete The Best Thermal Imaging Cameras: 4 Compared (and One to Skip).