App Control: ikoed fingerprint door lock supports comprehensive APP control, including APP unlocking, user management, fingerprint addition or deletion, access mode and silent mode settings, and viewing their access records. Bringing you a more convenient and smarter life Multiple Accesses: 3 in 1 biometric door lock that meets daily life. APP unlocking and fingerprint unlocking - you don't need to carry keys with you or worry about looking for keys everywhere. Mechanical key can be used as a backup key to unlock (in case of emergency such as battery exhaustion) Fingerprint sensor: 508 DPI fingerprint sensor module, 360° fingerprint reading is accurate and fast, supports storage of up to 100 sets of fingerprints, and the recognition rate exceeds 98% within 0.5 seconds. Easy Installation: Fits most standard single-cylinder US doors. The simple installation takes minutes with a screwdriver (included) without extra drilling. Universally fits door thickness between1-3/8"