360° Fingerprint sensor - 0.4 sec. unlocking speed || Register upto 100 fingerprints in the lock. Bluetooth Mobile APP. - This lock completely operate through mobile application. Add/Del. any user. Download LAVNA Smart Life Mobile app for complete setup DIY Installation : This lock is very easy to install, any normal carpenter can install the lock with the help of our customer care online support via video, calls and Video calls 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 Access - You can register up to 50 PIN in this lock and the Touch Key Pad is very fine to use. OTP Access : You can Access it with the help of OTP as well when you are not available at home. Manual Key Access - This lock also contains a computerized mechanical key for unlocking.