Item: HF PVC Wristband Size: 250mm Chip optional: HF13.56MHz Meet ISO14443A Protocol: NXP S50ã??S70ã??Ultralightã??FM1108ã??Desfire serials,etc; Meet ISO15693 Protocol: NXP I-CODE-SLi/SLi-X/SLi-Sã??Ti-2K,etc. User memeory: 512 Bitsã??1K Bitsã??64 Bytesã??1K Bytesã??2K Bytesã??4K Bytes,etc(Depends on chips) Frequency: HF13.56MHz Pvc Wristband Read and Write times: 100000 times. Data Storage time: 10years/50years Read distance HF: 0~1Meter (Depends on reader) Craft optional Color: Can customize make any pantone color Silk printing single/multiple color graphic rfid wristbands Packing information Packing type: inner box and Paper Carton; Packing size: Boxï¼?39x27x7CMï¼?Cartonï¼?50X45X35CM Packing qty: 500pcs/boxï¼?10boxes/Carton Packing weight: 1.6Kg/inner boxï¼?18Kg/Carton