A SCREEN. A CAMERA. AN OATH.
Be the
light source.
This screen provides the code.
Another camera records the reflection.
Place this device near the recording camera and facing the person. Turn its screen brightness to maximum. Start the other camera first, then start the light.
Use a laptop, tablet or second phone as the light. Switching this phone to its native camera hides the webpage and stops the light.
YOUR NEXT SEAL CODE
Save the code. The flicker is visible; stop if uncomfortable.
LIGHT SEQUENCE COMPLETE
Light delivered.
Now check it.
Done. Your seal code is
Verify your recording →