What is the warranty for an HP USB 2.0 graphics adapter for an HP Compaq 610 Notebook PC?

What is the warranty for an HP USB 2.0 graphics adapter for an HP Compaq 610 Notebook PC?

A.
90 days

B.
180 days

C.
1 year

D.
2 years

Explanation:
http://h18000.www1.hp.com/products/quickspecs/13226_na/13226_na.PDF(limited
warranty)