64Bit Smart Key Ibutton Touch Memory TM1990 Card
High-security 64-bit encrypted access with durable stainless steel construction for long-term reliability. Precision-engineered TM1990 chip ensures fast, contactless authentication with anti-tamper protection. Ideal for access control systems, elevator locks, and smart home security. Compatible with most RFID readers, offering plug-and-play convenience. Waterproof and scratch-resistant design withstands harsh environments. Compact size fits seamlessly into wallets or keychains for effortless portability. Bulk pricing available for large-scale deployments. Global wholesale supplier with unbeatable low-cost sourcing.