Capturing card values to later be cloned.Replaying raw binary captures.Fuzzing access control .To create a standalone device for testing and or card without the need for a Wiegand Controller. a battery and a card reader to make the unit portable. a benchtop power supply to use for testing hardware.Installers troubleshooting issues with a card reader or the data lines out in or back in .Hobbyist experimenting with that utilize a Wiegand Interface.Simulating an access control system using multiple units of ESP-RFID-Tool.Colour:greenMaterial:plasticPackage Contents:1 x ESP RFID ToolOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.