- 4.2" black and white, low power e-Ink display.
- Programmable IDs, photos, and credentials, displayed and refreshed with a button press.
- Programmable with CircuitPython or Arduino IDE using the Adafruit ItsyBitsy nRF58240.
- Bluetooth Low Energy chip allows for connections with phones/tablets/other BLE devices.
- Enclosed in a custom-made, vinyl ID wallet that resembles the psychic paper in Doctor Who.
- Powered by 2 x 2032 coin cell batteries.