CipherShield Slim Drive is smaller, lighter, faster, and provides a quick and easy solution for storage. At the size of 2.5" and weight a little over 1 lb, the CipherShield Slim Drive is so compact - it will fit in your pocket. Plug and play installation means you can be using the drive right out of the box. CipherShield AES Encryption External Slim drive ensures high level of data integrity and security. The drive will automatically lock down its content once the key is removed. Data will not be seen or accessed in the event of theft or loss of the external drive. All Buslink drives are housed in a stackable metal alloy case which dissipates heat and are pre-formatted for 100% quality control and convenience to the user. Units are supplied with two keys and registration is required for key duplication.