Specification Binding : Electronics Brand : SunFounder Color : Version 2(blue) Label : SunFounder Manufacturer : SunFounder Model : NA PackageDimensions_Weight : 0.05070632026 PackageDimensions : L:3.799999996124 X W:2.99999999694 X H:0.699999999286 PartNumber : Mifare RC522 RFID Reader Module ProductGroup : PC Accessory ProductTypeName : COMPUTER_COMPONENT Publisher : SunFounder SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/41yDAMU69JL._SL75_.jpg SmallImage_Width : 75 Studio : SunFounder Title : SunFounder RFID Kit Mifare RC522 RFID Reader Module with S50 White Card and Key Ring for Arduino Raspberry Pi Weight : 0.1 WeightUnit : pounds