Protect your home or office with the BIOTEKNIX TL400B smart door lock—an affordable, feature-rich solution for modern security needs. Access your door using a fingerprint, RFID card, or password. With smart mobile app control, you can add/delete users, check unlock history, enable Bluetooth unlocking, and share OTPs for one-time guest access. Designed for main and internal wooden doors (35–90mm thickness), the TL400B is easy to install and user-friendly. It features a built-in doorbell and voice guidance for smoother operation. If the battery runs out, power the lock externally using a 5V Micro USB, ensuring you're never locked out. Whether for your home, office, or rental property, the BIOTEKNIX TL400B blends advanced technology with everyday convenience—giving you peace of mind, control, and security at your fingertips.