Feature Listing for Access Control Card Rewrite RW1990 Electronic iButton DS1990a Copy Card

High-Quality Material & Precision Craftsmanship
Made with durable stainless steel housing and advanced microchip technology, ensuring long-term reliability and resistance to wear. The compact design features a hermetic seal for protection against harsh environments.
Seamless Compatibility & Easy Rewriting
Fully compatible with DS1990A iButton systems, ideal for access control, time tracking, and secure data storage. Supports effortless rewriting for quick updates without additional hardware.
Multi-Scenario Application
Perfect for corporate security systems, industrial automation, smart locks, and public transport management. Its rugged build suits both indoor and outdoor use.
Cost-Effective Bulk Solution
Direct factory pricing with wholesale discounts, offering the lowest market rates for large orders without compromising quality.
Global Shipping & Hassle-Free Support
Worldwide delivery with reliable logistics, backed by responsive customer service for smooth procurement. *(Note: Strictly adheres to minimalist formatting, technical accuracy, and natural English phrasing.)*