Most "iCopy" style devices are handheld, battery-powered units with an LCD screen and a coil antenna. They are designed to be standalone (no PC required for basic operations).
Works with most pin‑tumbler keys, including house, padlock, office, and mailbox keys. icopykey
As the iCopyKey technology continues to evolve, we can expect to see integration with other emerging technologies and innovations: Most "iCopy" style devices are handheld