Fan:Digivice (Quizardyokai)

A Digivice is a device for the a Digimon Tamer that allows their Digimon to digivolve and among many other features. It can even be upgraded with the use of computers. In  Digimon Crusade Tamers were given their Digivices by a DigiGnome before being taken to the Digital world.

Origin
The first Digivices were created by Lucemon for the humans he brought to the Digital world. Homeostasis/Ophanimon made an improved model of it the children her agents brought to the digital world.

Digivolution
The main function the Digivice is to channel the Tamers emotions turning it into energy to allow their partners to Digivolve.