Being able to unlock your Pixel 4 in the dark with its IR camera is a fantastic feature in itself. But if you download a specific third-party camera app, you can see the IR camera feed. It is a real night vision for your phone and it is completely free to use.
Download [HedgeCam2 to try it from the Play Store. Open the app to the main screen and tap the camera switch icon twice to jump into the IR camera. You will notice that the colors shift to an inverted look, which means that you can now see in the dark with your Pixel 4.
You can also take a photo or record a video with the IR camera. Although it is not a camera mode with a very high resolution (640 x 480), it still provides some interesting shots. You can even turn on your inner ghost hunter while you are busy!
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