RFID Kit RC522 with Reader, Chip and Card 13.56 MHz SPI Compatible with for and for RC522 RFID kits with reader, chip and card Quick entry - thanks to already available libraries and SPI interface Applications: e.g. for the development of access controls, electronic door locks or terminals recording; supported formats - S50, S70 Ultralight, Pro Colour: blue Material: PCB Package Contents: 5 * PCB boards 5 * IC cards 5 * Sensor keys 5 * Straight needles 5 * Curved needles Only the above package content, other products are not included. Note: Light 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.