Magnetic Lock Tamper Proof 13.56MHz Silicone RFID Wristband is a unique design with our engineers for meeting to prevent aprt or anti-tamper with our rfid wristband .Comparing the normal rfid wristband with metal watch clasp or button closure ,our magnetic lock tamper proof rfid bracelet has to use magnet opener to touch locks and unfasten ,it greatly avoids any losing because they cannot firm with our wrists and easy to open .This kind of rfid wristband widely use for school tracking , prison management and some important data encoded wristband wearable .Passive rfid technology without any battery power and durable in working .