High-Performance iButton ID Card – DS1990/TM1990A-F5 Key Tag Compatible

Durable Stainless Steel Construction
– Precision-engineered with robust 16mm stainless steel casing for extreme durability, corrosion resistance, and long-term outdoor use.
Seamless DS1990 Compatibility
– Fully interoperable with Dallas/Maxim DS1990A and TM1990A-F5 iButton systems, ensuring reliable data transmission and secure access control.
Advanced Touch-Memory Technology
– Features 1-Wire® protocol for fast, contact-based data transfer (up to 15.3kbps), ideal for industrial logging, equipment maintenance, or smart locker systems.
Weatherproof & Chemical-Resistant
– IP65-rated shell withstands moisture, dust, and harsh environments, perfect for construction sites, labs, or marine applications.
Compact Key Tag Design
– Lightweight (3g) with a convenient keyring hole for effortless attachment to keys, badges, or tools—ideal for asset tracking, parking permits, or employee ID systems.
Globally Sourced, Bulk Pricing
– Direct factory supply ensures unbeatable wholesale rates for bulk orders, backed by full-category sourcing expertise.
Certified for Enterprise Use
– RoHS/CE compliant, operable in -40°C to +85°C ranges, trusted by logistics, manufacturing, and smart city projects.