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 2. Chip, Stable And Fast Sensing, Can Read, Write And Copy Widely. 3. New Material, Pvc New Material, Durable And Foldable 4. Sensitive, High-Quality Chip, Sensing Distance 2-10cm 5. Long-Term Durability, Waterproof, Wear-Resistant And Anti-Interference, Worry-Free Use 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.