Fingerprint recognition: fingerprints once registered, the sensor recognizes up to 99 registered fingerprints at any angle. This cutting-edge technology ensures fast and accurate identification, offering a seamless access experience from any direction. 3 bolt locking: triple robust bolt locking for enhanced safety. This advanced locking mechanism ensures maximum protection by engaging three independent, heavy-duty bolts that securely lock the door from multiple points, making it highly resistant to tampering and forced entry. Pin code: register up to 99 unique pins. Save a password of 4 to 9 digits for enhanced password strength. This feature allows for customized and secure access for multiple users, each with their own unique pin code. Rfid cards: register up to 99 rfid cards for multiple user access. This feature allows for quick and convenient contactless entry, making it ideal for families, offices, or shared spaces. Each rfid card can be assigned to an individual user to manage access without the need for physical keys. Remote access: the lock can be remotely opened and closed through a mobile app, providing the convenience of accessing the door from anywhere, anytime. Whether you're at home, at work, or even traveling, you can easily control the lock with just a tap on your smartphone.