The estimated delivery time for this product is 7-9 days High quality 13.56 MHZ S50 IC locking card Main chip: with 1 S50 Storage capacity: 8Kbit, 16 partitions, each with 2 passwords Working frequency: 13.56 MHz Communication speed: 106K Boud Reading and writing distance: 2.5-10cm Reading and writing time: 1-2ms Working temperature: -20~85 ℃ Durability: > 100000 cycles Typical applications: Enterprise/campus card, public transportation storage value card, highway toll collection, parking lot, county management, roll call system, patrol system, enterprise system, access control system, RFID field, etc. Before purchase: 1. All goods are available, and if we receive an order, we will immediately arrange shipment. 2. Please read the product description and feel free to contact us if you have any questions. After purchase: 2. Please contact us first, and we will help you solve the problem. If you receive a defective project, please contact us immediately through project images or videos.