The Legend of Zelda: Tears of the Kingdom - Narchaeology

It's not the sheikah slate because it's missing your infinite supply of bombs to deal with low HP enemies like keese or wolves.

My assumption is that Purah and co. took a look at the Shiekah Slate and decided to try making their own. Zelda and Link got to field test the prototype.

In another few years, Purah's gonna mass-market it to everyone in Hyrule. 1500 Rupees and you, too, can snap your own photos and zip around to nearby Lookout towers!

A few years more, and there'll be a conspiracy theory movement saying that the Lookout Towers are putting out radiation that infects you with Gloom.