Card Type: EM-ID Card (Can't support HID, Cobra, APCiK etc) | Type: EM RFID 125khz reader, Can't work alone, Normally work with Control board/Fingerprint devcie/Master controller to build completely Security Access Control System. | Support Wiegand 26-Bit and Wiegand 34-Bit; Built-in LED (Double Color LED) and Loud Speaker (Buzzer). | WatherProof, Water Proof, can Install outside,Small and Beautiful Reader. | Intput Voltage: DC 9-15V, Can stable running for many years.