Prius2011funkstar

What is this button?

I have this button it lights up when pressed, but not sure what it does? :(

What is this button?
Prius2011funkstar, Apr 24, 2016
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  • Category:
    Reviews
    Uploaded By:
    Prius2011funkstar
    Date:
    Apr 24, 2016
    View Count:
    534
    Comment Count:
    1

    EXIF Data

    File Size:
    1.4 MB
    Mime Type:
    image/jpeg
    Width:
    3264px
    Height:
    2448px
    Aperture:
    f/2.2
    Make:
    Apple
    Model:
    iPhone 6 Plus
    Date / Time:
    2016:04:25 11:37:23
    Exposure Time:
    1/8 sec
    ISO Speed Rating:
    ISO 125
    Focal Length:
    4.15 mm
     

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