OBO HANDS 20pcs UID Rewritable Smart Card IC 13.56MHz Clone Card for 1K S50 M-F1 RFID Access Control Block 0 Sector Writable for Door Access Control

["Material:PVC.Size: Credit card size","Rewrite times:100,000 times","Suitable for 13.56MHz card reader. Read distance:0-10Cm(depend on the R/W device).","Read-write card can provide different access password or logical encryption version, product security is high.","Fully compatible to M-I-FA-RE Classic 1K,4-byte UID, 1K Byte memory, organized in 16 sectors of 4 blocks, compliant to ISO/IEC 14443A protocal.Compatible with all kinds of door access control system."]