Dallas 1-Wire iButton Tag TM1990A – Secure & Durable Access Control Solution
High-performance 64-bit magnetic iButton key for seamless access control, built with rugged stainless steel casing for extreme durability. Each unit features a unique factory-lasered registration number for tamper-proof security and reliable identification. Ideal for industrial access systems, smart locks, time tracking, and asset management—perfect for warehouses, offices, and high-traffic facilities. Compatible with most 1-Wire readers for plug-and-play integration. Engineered for harsh environments with waterproof and shock-resistant design. Bulk pricing available for large-scale deployments. Global shipping, wholesale discounts, and guaranteed lowest prices.