Specification:

International Standard Wiegand 26 or 34 Interface or RS232 Interface
DC 5V-16V Working Voltage
Less than 80mA Static Current
5 to 10CM Reading Range
Support EM-ID Card or MIFARE 1 Card
0C to 70C Ambient Temperature
10%-90% Ambient Humidity
International Standard Wiegand 26 or 34 Interface, Optional RS232 Interface
More than 100M Communication Distance
Any OEM or ODM is much welcomed.
Size: 72*22.5*123.5(mm)
Additional: Out Door use has additional US$1.00 per piece.

Installation:
Using +type screw driver to loosen the screw between the panel and motherboard. And then embed the motherboard to the side wall with the plastic plug and screws.

Wire Connection:
Red DC 5V-16V
Black GND
Blue D1
White D0
Brown BEEP
Green LED
Yellow Alarm

Yijiamei Technology

YJ221 RFID smart reader