Features: compatible proximity card reader It reads the /MF card identification number Transmits it to the access control system with Wiegand 26 interface Specifications: Surpport Card: Cpmpatible RFID Card/MF 13.56MHZ Power Requirements: 9-15V DC at 150mA, A linear regulator is recommended(NOT included) Interface: Wiegand Reader Range: Up to 8cm Frequency: 13.56Mhz Operation Temperature: -20C-60C Operation Humidity: 5%-95%(non-condensing) Color: black Material: plasticandmetal Package Contents: 1 x Access Control Card Reader Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.