5 ways to unlock: fingerprint, mobilephone bluetooth app, mifare card, code, and Mechanical key. the fingerprint reader is imported semiconductor fingerprint reader, Theftproof Super B grade cylinder. Its very suitable for entrance door.Super Security Entrance Electronic Door Lock, very suitable for Residence Home, Campus,School, Commercial building, Bank, Factory, Hospital, Apartment, etc. Users can manage the lock via smartphone APP or operate according to the common fingerprint code door lock. Manage the lock from your smart phone: Give access codes to up to 150 users add up to 100 finger prints give access to up to 150 swipe cards see who has come and gone restrict access such as dates and times. such as once access for one month, 9.30am access for everyday for baby sister,etc.