13.56MHz UID Card RFID Card Smart Card Door Access Control Copy Card 0 Sector Block Changeable

Chip: UID Material: PVC Frequency: 13.56MHz Material: ABS Operating frequency: 13.56MHz Read and rewrite key labels Compatible with door entry systems. Reading distance: 0-4cm Operating temperature: -40℃~65℃ Read/write time: 100,000 times Size: same size as credit card RFID cards for proximity access control.