OBO HANDS 10pcs Yellow Dual Frequency RFID Keyfob 125khz and 13.56Mhz All-in-one Composite Keychain UID Rewritable Used to Copy/Clone Key/Cards

• 1.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 required.
• 5.Easy to carry,small and exquisite appearance, pratical and durable.

13.56MHZ&125KHZ RFID Smart IC ID Composite Cards With M1 S50 & EM4100 Chip 2 in 1 Card For Access Control system. Features: 1.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 required. 5.Easy to carry,small and exquisite appearance, pratical and durable. Specification: Frequency:13.56MHz+125khz Card chip:UID+T5577 dual chip Read/Write Time :1~2ms Rewritable:>100,100 times Data Retention:>10 years Material:PVC, PET, AL Inlay Color:Yellow Operating temperature:-20- 85 degree Application: Access control, hotel locks, staff attendance, school campus access, membership management, payment control, identification and security systems, parking lot entry, social security management, transportation, municipal and ancillary service. Package include 10pcs UID+T5577 2 in 1 Keyfob