Bat-diamond (power source for the Batcomputer, must be far more pure than a natural diamond, it is well over 10,000 carats (2.0 kg)) Accelerated Concentration Switch (increases computing power of Batcomputer when it is strained) Dual Identity Bat-sensor Bat-analyzing Gears Batcomputer Ingestor Switch Batcomputer Bat-resistance Signal (light comes on when the Batcomputer does not understand the question) Special Escaped Archcriminal Bat-locator Bat-correction Signal (alerts Batman or Robin when they say something incorrect) Anti-crime Voice Analyzer Special seismological attachment Batcomputer Input Slot (enter some information source, such as a phone book, so a search can be performed) Illustrated Bat-slides (Alfred created these to be more informative than the usual cue cards)