This Duracell Security Batteries Pack of 2 is suitable for use with a vast array of devices in the home and office.These batteries will efficiently power items that take security N sized batteries such as pagers, key fobs and much more. Duracell batteries have been engineered to deliver just the right level of power, making them an ideal purchase. This Duracell Security Pack of 2 is ideal for students, officer workers and at home, as well as making a great buy to accompany battery powered gifts.