... belling, sensor and so on, in order to improve security for human life and enterprise information.Features:Elegant ergonomic design Default ... , T9 Input, 9 Digit User ID. 2 user-defined function keys, the left one is for door belling, the right one is ... with wiegand reader, wiegand output for connecting to access control panel.Optional with ID card module or Mifare card module (available when ...