Feature Highlights: 1. Versatile Application – Works with 125 KHz RFID systems (TK4100/EM4100 chips) for access control, time attendance, parking management, loyalty programs, ID identification, and more. 2. Pre-Programmed Unique ID – Each card comes with a globally unique UID number, ready for authorization and integration into your security or management system. 3. Durable & Reliable – Made from sturdy PVC material in a clean white finish, designed for everyday use and long-term performance. 4. Easy to Deploy – These are read-only cards, meaning they cannot be copied or rewritten, ensuring secure and straightforward system management. 5. Multi-Pack Convenience – Sold in a practical lot (quantity may vary – e.g., 10pcs/lot or 50pcs options available), ideal for offices, hotels, gyms, or residential communities. Product Details: These 125 KHz RFID cards are compatible with TK4100/EM4100 chip-based readers and are widely used in access control, time tracking, payment systems, membership programs, and logistics. Each card has a fixed, unique identification number (UID) and is designed for one-time issuance—once authorized in your system, it provides secure and convenient access. The cards are made from durable PVC, come in a standard white color, and are delivered in a ready-to-use pack. Specifications: - Frequency: 125 KHz - Chip Type: TK4100 / EM4100 - Material: PVC - Color: White - Function: Read-only, pre-coded with unique UID - Common Applications: Access Control, Time Attendance, Parking Systems, Loyalty Cards, ID Identification, Logistics, VIP Management - Package Content: Cards only (e.g., 10 pieces per lot or as specified – refer to listing for exact quantity) Note: - These cards cannot be copied or reprogrammed. - Requires system authorization to activate for use. - Slight color or size variations may occur due to lighting and production tolerances.