The biometric hologram is a holographic technology developed by the Xindi-Aquatics, used to train Xindi surgeons. The Aquatics developed it because of their innate distrust of the written word; they prefer visual stimuli. The hologram is built up from medical data. It is impossible to produce a detailed fabrication with human technology. (ENT: "The Council")
Rajiin provided the Xindi Council with the neccessary biometric data to create such a hologram of a Human when she infiltrated Enterprise in September of 2153. (ENT: "Rajiin") The information was eventually used by the Xindi-Reptilian biologist Damron to create a bioweapon. (ENT: "The Forgotten")
In February of 2154, Jonathan Archer presented the Council with a biometric hologram of a Sphere Builder test subject to prove that they and the Guardians were the same race. (ENT: "The Council")