4-in-1 Secure Access: Choose from biometric fingerprint, RFID card, PIN, or mechanical key for versatile and secure entry. Fingerprint ID Storage: Register up to 200 unique fingerprints, making it ideal for both home and office use. RFID Access: Includes 50 RFID card capacity, allowing convenient and quick entry without PINs or keys. Premium Door Compatibility: Fits door thicknesses from 40 to 90 mm, suitable for a wide range of standard and reinforced doors. Optional Remote & Video Door Phone: Upgrade with remote control and video door phone compatibility for enhanced security and convenience.