, 100pcs/Lot RFID Keychain Card Tag Key 125khz ID Keyfob TK4100 EM4100 Access Control Time Attendance Fob Token Ring

Brand Name: 5YOA
Origin: Mainland China
Model Number: 100KeyTK4100
Certification: CE
Frequency: 125khz
Chip: TK4100 compatible with EM4100 etc
Application: ID identification, Attendance system, Access Control etc
Size: Approximately 35 x 29 x 5 mm