Specification: Color:as the picture Chip Model: DUAL CHIP Chip Usage: Rewritable Readable Copiable Writable Storage capacity: 1KB Working frequency: 13.56 MHz 125Khz Working temperature: -20Celsius~plus85Celsius The number of readable times:bigger than 10000 times Detecting distance: 0-10cm Communication speed:106Kboud Packaging material: ABS Power supply mode:passive card Service life: bigger than 10 years Characteristics: Waterproof, moisture-proof and vibration-proof,Anti-corrosion,High- temperature resistance,Nontoxic, Environmental,Harmless to the body Applicable to: Access Card Reading and Writing Time: 1ms Production standards: ISO 14443, ISO 10536 Package includes:5pcs No external pwer required. Easy to carry,small and exquisite appearance, pratical and durable. Application:Access control,Public transportation,parking,Identity authentication,Attendance management,Ticket,Card payment,Product identification,Parking lot management,Skiing,One Card Payment,Product identification,social security management,municipal and ancillary service payment,hotel locks and many other aspects