Weigand 26 125khz backlight keypad em id proximity passive access control smart card reader PY-CR51

Weigand 26 125khz backlight keypad em id proximity passive access control smart card reader PY-CR51   About Use When the card approach the reader, the red light turn into green, after glinting to turn redcolor again, the buzzer sound shows transiting data. It has 500ms proximity time distance for card proximity. After finishing card proximity, if the same ID card is still in the proximity range, reader will not send out the data, neither giving any sound hint. But for Different ID card entering Proximity Area, Reader can do response continually and send out the data.   Technical Parameters: rfid contactless smart card reader With Keypad Size:116*76*18(mm) 
Color: BLACK Card type: EM/ID or MIFARE® Card Working Voltage:DC 9~12V 
Working Curren: ≤100mA
LED indicator
Wiegand 26bits (Wiegand34,RS232 should be customized)   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 ConnectionRed        DC 5V-16V Black       GND Blue         D1 White        D0 Brown        BEEP Green        LED Yellow       Alarm   Notice1. Confirm the electric voltage (DC12V) and differentiate positive anode and cathode of power supply. 2. When external Power is used, make sure sharing the power with Controller Box or using the same GND. 3. When the distance between card reader and controller is more than 50m, please use Power Line with at least 1.5 square cm Dia, or using several parallel Network wires.