I did a search on www.google.com for "KDA0316" and found this data sheet. It turns out this is "SPEC NO: KDA0316". But the device pictures look a whole lot different than the photo you provded.
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<small><small>I posted this as a humorous joke but it is an amusing thing to note the fact that the LD suffix -> to LED becomes applicable to the content of the linked page; especially since it has the same base number as the document number.</small></small>

Michael Karas