Definitions for "Compact Flash Card"
A removable memory device used for storing data (Digital Music files)
A CF card is a small removable mass storage device. Used as non-volatile memory in digital cameras and PDA devices.
a memory card that uses flash memory to store data
Keywords:  spare, fail, batteries, lose, best
a must to ensure you do not lose your pictures when the batteried fail (and they will) and a spare pair of batteries are always best kept to hand