Features: Working current: 13 - 26mA/ 3.3V DC Idle current DC: 10-13mA/ 3.3V Sleep current: <80uA Peak current: <30mA Operating frequency: 13.56MHz In support of the card type: Mifare1 S50, Mifare1 S70, Mifare UltraLight, Mifare Pro,  Mifare Desfire Operating temperature: -20 - +80 degrees Celsius Environment temperature: -40 - +85 degrees Celsius Relative humidity: relative humidity is 5% - 95% SPI parameter module interface Data transfer rate: 10Mbit/s

Package includes: RFID-RC522 module x1 The Standard S50 Blank Card x1 S50 Special-shaped Card(as shown by the key ring shape) x1 Straight Row of Pin x1 Curved Row of Pin x1