RW1990 iButton Key Card – Secure Access Control Solution
Ultra-durable stainless steel casing with hermetic seal ensures waterproof, shockproof, and corrosion-resistant performance. Precision-engineered contact chip guarantees reliable data transmission for 100,000+ read/write cycles. Compact 16mm diameter design with patented Touch-Microchip (TM) technology enables instant one-touch authentication. Compatible with most iButton readers for seamless integration into existing systems. Ideal for industrial access control, time tracking, vending machines, and smart locker systems. Bulk pricing available for corporate security upgrades or facility management deployments. Global wholesale supplier with factory-direct pricing – no minimum order for trusted partners.