Data scanner

Merely by waving the book scanner at printed text and images it can store them as information inside itself or translate the data to a computer.(TW: Everything Changes)  Despite Torchwood 3's policy that alien artefacts must never leave the Hub, Toshiko has several times taken it out to experiment with the scanner. (TW: Everything Changes, Torchwood website)

It has practically unlimited storage capacity. Toshiko Sato, a particular admirer of the scanner, compared it to an iPod for books. Toshiko speculated that alien archeaologists used the scanner to record ancient writings. (Torchwood website)

It also had used as a lockpicking device. (TW: Cyberwoman).