IC+ID UID Rewritable 13.56MHz+125khz 2 in 1 Changeable Writable Composite Key Tags Card Keyfob Dual Chip Frequency RFID

Features 1 100 brand new and High quality Waterproof dustproof 2 Sector block 0 which can be changed and 125khz keyfobs could be copied arbitrarily 3 Dual frequency dual chip compatible 125khz and 13 56mhz access control system 4 Readable and rewritable No external power requiredSpecification Frequency 13 56MHz 125khz Card chip UID T5577 EM4305 dual chip Read Write Time 1 2ms Rewritable 100 100 times Data Retention 10 years Material PVC PET AL Inlay Color Blue Yellow Red Size 43 930 65 3MM Operating temperature 20 85 degreePackage includeds 1 x 2 in 1 13 56MHz 125khzIC ID Tag Card Note package only included 1 piece Tag Card Details pictures