5/10PCS EM4305 T5577 RFID 125KHz Keyfobs – Rewritable Writable Duplicate Proximity ID Token Key Ring Cards

Upgrade your access control with these 5/10pcs EM4305 T5577 RFID 125kHz Keyfobs — the perfect solution for secure, reliable, and rewritable access systems. Designed for versatility, these RFID keyfobs are rewritable and duplicate capable, making them an economical choice for businesses, campuses, parking systems, and personal security needs.

Each keyfob features a blank chip, giving you complete freedom to program and reprogram data as needed. With waterproof, moisture-proof, vibration-proof, and anti-corrosion properties, these keyfobs are built for durability and longevity. The small, elegant design makes them easy to carry while ensuring maximum functionality.

Whether for access control attendance, hotel door locks, staff ID systems, or membership management, these keyfobs combine convenience, reliability, and affordability in one package. No external power is required, and each tag offers quick read and write speeds, making them perfect for busy environments.

🔹 Key Features

• Rewritable & Duplicate RFID Keyfobs — Program and reprogram easily for flexible use.

• Durable & Waterproof — Resistant to moisture, vibration, corrosion, and high temperatures.

• Compact & Portable — Small, stylish design with key ring for easy carrying.

• High Compatibility — Works with most 125kHz RFID access systems.

• Fast & Reliable — Reading/writing time of just 1ms.

• Eco-friendly — Nontoxic materials, safe for everyday use.

⚙ Specifications

• Choice: Yes

• Chip Model: 125KHz T5577

• Working Frequency: 125KHz

• Material: PVC

• Read/Write Cycles: >10,000 times

• Detecting Distance: 0–8cm

• Appearance: Random printed logo on keychain

• Applications: Access control, attendance systems, hotel locks, membership management, parking systems, identification, payment control.

💡 Applications

• Access control attendance

• Hotel door locks

• Staff attendance systems

• School campus access

• Membership management

• Payment control

• Identification & security systems

• Parking lot entry and payment

• Transportation & municipal service management