uxcell DC 12V Door Proximity ID 26 RFID Card Reader Black

This RFID Reader system is composed with quite compact circuit and high-efficiency controlling program .It is an excellent product, reading RFID card effectively. Door Access/ ID/IC card data-collecting terminal in work attendance check-on system It is useful for safety door systerm, easy to connect and use. Different color Line Symbol  Red: VCC Power Anode Black: GND Power Cathode Green: DATA0 Data Line White : LED Controlling Line, effective in Low Voltage Yellow: Data1 Data Line, Blue: Buzzer Buzzer Control Line, effective in low voltage