Question about Kingston IronKey Keypad 200

I see the part here in the daily deal and would like to have it... But I wonder what I would need it for. Anyone have any ideas why I can justify the purchase to myself? :-D Seriously, I wouldn't need it for a wallet, for example, as it deletes all your data if you enter the pin incorrectly 10 times. I don't really see a practical use case here.