Aegis Padlock External Hard Drive with 128-bit AES Encryption is the ultimate portable hard drive and secure storage system. With an easy-to-use keypad design and software free setup, the Aegis Padlock Secure Drive enables you to access the drive with your own unique pin. Featuring a choice of AES-128 or 256 bit hardware encryption, the Aegis Padlock provides seamless real-time encryption, keeping your data safe even if the hard drive is removed from its enclosure. With no software installation required for setup or operation, the Aegis Padlock Secure Drive provides stress free deployment in corporate environments. Its Administrator Feature allows enrollment of up to ten unique user ID's and one administrator, making it a useful business collaboration tool.