... a keypad non-contact proximity card access control reader of metal, for different card chip,can support ... is one of the most advanced access control reader, using a unique metal design, smart keypad ... security. It has ultra-low power, backlit keyboard, Wiegand output, tamper alarm, doorbell interface and others, ... at night can also be used as daytime3)Wiegand output: support Wg26 card number or Wg4 ...