About this item Protecting : Stores your fingerprint and in app data locally rather than on the , we try to keep your information safe and private. Fingerprint Identification: Security smart lock recognizes your fingerprint in just less than 0.5 seconds, and unlocks your door, more convenient for using. Easy Installation: Easy to install, simple modern design, non‑technicians can install the keyless entry door lock in minutes, save your energy and time. Smart Alert: Smart lock or APP will remind you to replace the battery. Smart lock will sound an alarm when the battery is low, or you can check the battery level in the APP. 5 Ways To Unlock: Open in an instant using your fingerprint, unlock via for TT LOCK app, or by using either the electronic keypad or the key, IC card. › See more product details