Product Name: ID-T557 White Card Product Chip: T5577 Chip Sensing Distance: 2-10cm Working Frequency: 125KHZ Data Retention: More Than 10 Years Number Of Erases And Writes: 100,000 Times Scope Of Application: Identity Identification/Attendance System/Access Control System/Financial Identification Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:White Material:pvc Size:8.55x5.4x0.08cm Package Contents: 10 x Smart Access Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 2. Chip, Stable And Fast Sensing, Can Read, Write And Copy Widely. 1. ID-I5577 Copy White Card, Suitable For Access Control Cards, Elevator Cards, Attendance Cards, Parking Cards, Identity Recognition, Etc. ID-125K Can Be Erased And Written Repeatedly 5. Long-Term Durability, Waterproof, Wear- And Anti-Interference, Worry-Free Use 4. Sensitive, High-Quality Chip, Sensing Distance 2-10cm 3. New Material, Pvc New Material, And Foldable