10 Pieces Writable 125kHz RFID for Key Fob Proximity ID Token Tag Rewritable T5577 Universal RFID for Key Fob Cards

Two different frequency can be packaged. for 125khz RFID reader access, it can read and write. Small and exquisite appearance, durable, water-proof, not easy to fade. No external power required. 10 Pieces Writable 125kHz RFID for Key Fob Proximity ID Token Tag Rewritable T5577 Universal RFID for Key Fob Cards brand new and high quality Features: Two different frequency can be packaged. for 125khz RFID reader access, it can read and write. Small and exquisite appearance, durable, water-proof, not easy to fade. No external power required. Each comes with for key ring included. Easy to carry. The can be sprayed, engraved, squirted, serial number, letter, etc. Apply to access control, hotel locks, employee attendance and school campus access and payment control, identification and security systems, parking entry and payment, social security management, transportation payment, 5YOA, municipal and besides service payment. Cards only, other accessories demo in the picture are not included Spe