“ The Omni-Key 5000 uses hard-light holographic technology to map out and then spontaneously decrypt electronic locks of all sorts. The newest keys in this line are guaranteed to work even on locks composed of quantum bits, superstring remnants, and parallel universe technology. ”
The Omni-Key 5000, referred to often as simply the Omni-Key is an item in Secret Agent Clank. It is a key using holographic technology received by Clank from the Agency, and can be used to activate doors, elevators and launch pads in a similar fashion to other hacker gadgets.