Aib card reader

[Bigbangr1]

Hi all
I recently signed up too AIB online banking so I can check my account on my phone.
Today arrive in the post an AIB card reader for some reason.
What is this card reader for ?
Thanks

 

[RedOnion]

AIB Card Reader and Code Card FAQs

A Card Reader is a small hand held device which works with your debit card to provide unique security codes so you can make certain payments and use some services.

aib.ie

You'll need it to generate security codes to verify certain transactions / actions online