Have a look at my review of the MIOPS smart trigger, a camera trigger that connects to your compatible camera and mobile device (Android / iOS) to allow more advanced functionality.
Apologies for the poor quality of the video, stay tuned through as I will have more (and better quality) videos showing how some of the modes of the camera work.
MIOPS website: https://bit.ly/2m5ABGd
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Disclosure: This device was provided to me at no cost by MIOPS for the purpose of this review.
The video can also be viewed at: https://youtu.be/iqpva-fbXjo