100pcs Classic 1k Key fob，M1 13.56mhz RFID tag ISO14443A Access Access Key，readable and writable (White)

["1. Storage capacity: It has a storage capacity of 1K bytes and operates at a frequency of 13.56MHz. Reading and writing distance: The reading and writing distance is about 3-5 centimeters.","2. Working temperature: The working temperature range is -20 ° C to+50 ° C. Service life: The number of read and write cycles is 100000.","3. Packaging materials: Use PVC and ABS materials.","4. Usage: Requires use with a card reader that supports 13.56mhz"]