Chafon Mini USB Rfid 125khz ID Em Proximity Card Reader Support Windows XP Win7/8 Linux Android Operate System for Door Access Control +2 Pcs Em Card(White) Output format:10 digit decimal.Please note:Not support IOS system [Don't Support HID Card and HID Chip] 125Khz frequency band,reading range can up to 10cm. Support Card Type : ID card ( EM card ) EM4100 RFID card. Support System:Windows 2000//NT /ME/XP/7/8,Linux, Vista,Android. With USB interface,74(L)x19(W)x6(H)mm.If you need the ID card,please search ASIN:B01M3Z4N6N to buy.