Working on an independent network it has added a storage space to all your devices the size of the USB stick like the iPhone or any mobile and iPad and computer and a succession of devices that operate on the Internet and can be worked password them like any other modem to determine who deals Login them and accept all kinds of Video Music Office files and succession Over 50 square meters Supports all systems windows and Apple and Android Five members can access to evidence USB stick at one time Working around the 4 hours continuously You do not need any links or Internet.