High-frequency 125KHz RFID keyfob with rewritable NFC technology for seamless access control

Premium ABS plastic construction with reinforced epoxy coating for extreme durability and weather resistance

Compact 25mm diameter design features precision laser-engraved unique ID and smooth edge finishing

ISO 11784/11785 compliant chip supports 10,000+ rewrite cycles with 2KB user memory capacity

Industrial-grade IP68 waterproof rating withstands harsh environments from -25°C to +70°C

Instant 0.5-second recognition within 10cm range using EM4305/T5577 chipset technology

Multi-scenario application: office security systems, hotel room access, parking management, inventory tracking

Batch-programmable functionality enables bulk encoding for enterprise deployment

Includes factory-locked UID protection against unauthorized cloning attempts

Compatible with HID ProxPoint Plus and most 125kHz RFID readers worldwide