Home smart wifi keyless inteligente digital card fingerprint password electric mortise door lock Main Features: [Various Access] Locstar LS-C91 smart lock has five access solutions, RF card ,fingerprint, app,touch pad and mechanical key for your convenience. [Mute Function]Turn on or turn off the beep sound is up to your decision. [Scramble Code]When your friends or other people go home with you, scramble code supports you enter random digits before or after the correct access code [Security and Convinient] Anytime, Anywhere Security and Control With WiFi Gateway (optional add-on, sold separately,remotely lock and unlock your door, set up code or simply check status from anywhere, via mobile app; [3D fingerprint sensor] Hold the handle and press the fingerprint to unlock it. 100 fingerprints can identify you in less than 1 to 1.5 seconds, and is ideal for children and the elderly; [Auto Locking]Enable the auto lock function, it will lock automatically after 30 seconds by default. You also can set your auto lock time between 3 and 30 seconds if necessary. [Indoor Electronic Double Lock Switch]Only master code can unlock the lock when indoor electronic double lock switch is activated. [Locks Monitoring]View your lock history, see a list of users, their assigned codes, and each entry time. Get real-time alerts when someone accesses your home. [Sharing and Convenient]You can share code with friends and guests valid for a few weeks, hours, or minutes, and revoke them whenever you need to. Never worry about lost, stolen or copied keys again. [Battery-powered, external power supply] Smart key lock powered by 4 AAA batteries (not included). [Mechanical key override]For emergency, it can also be unlocked with a mechanical Key.