it is HID compatible proximity card reader.It reads all HID standard 125KHz proximity card serial number and transmits it to the access control system using the common Wiegand interface or any other OEM interface requirements in the future
Wiring :
Red: Power 5-16V
Black: Power ground
Green: Wiegand output D0
White: Wiegand output D1
Brown: Green LED control
Blue: Buzzer control
Yellow: Hold
Specification
Dimension 76*43*13mm
Power requirements 5-16VDC at 100mA, A linear regulator is recommended