QR Code Access Control Converter: B043 Chip: PHA Bioplastics Khoom siv RFID Chip Card, SIB 4102, T5567 Frequency: 125KHz Read only memory: 512bit Read and write times: 100,000 times Read-write distance: ≥10cm Material: Paper/PVC/PET/PETG/ABS, or specify 3M Stickers Antenna material: Copper Label size: 85.5×54mm/18mm/25mm/28mm or specify size Label thick: 0.5mm/1mm or specify thickness Working temperature: -20°C~+70°C