360° Fingerprint sensor - 0.4 sec. unlocking speed || Register Up-to 50 fingerprints in the lock. Bluetooth Mobile APP. - This lock completely operate through mobile application. Add/Del. any user. Download LAVNA Smart Locks Mobile app for complete setup Remote Unlocking : The Lock can also be opened from Remote; you don’t have to get up from your place to open the door. RFID Card - Up to 50 RFID card can be registered in this lock, the RFID card is specially designed for this lock for your security. PIN Option - You can register up to 50 PIN in this lock and the Touch Key Pad is very fine to use. OTP Unlock - You can generate OTP from anywhere & share with your Employee/ Guest for one time entrance in your absence. Low Power indication : When battery level goes under 15% lock will give you low power reminder. || External power Port : if your locks batteries dies completely , you can give power to the lock externally and unlock it with your registered Finger, Pin, Card.