The devices are called ‘Javelin biometric sensors’ and will be used to run fingerprints on people police officers are arresting and detaining in the field. Around 450 fingerprint scanners will be procured under the deal with InCadence, which is being funded by a $1 fee on all O.C. vehicle registrations. Mobile phone software used by the FBI, known as Ares, will also be provided as a part of the three-year, $3-million contract with the technology provider.