Smart Door Knob with Lock, Keyless Entry Fingerprint Door Lock, Black Smart Lock with Auto-Lock, App, Key, Fingerprint Door Locks for Front Door, Garage, Apartment, Hotel, Interior, Exterior

3-IN-1
BIOMETRIC DOOR KNOB: The ultimate security solution for your smart home or office. Whether you prefer the convenience of a thumbprint door knob, the security of App control, or the reliability of traditional keys, this smart door knob meets your need. Great fingerprint door lock for bedroom, living room, apartment etc.
THREE MODES FINGERPRINT DOOR KNOB: Designed to provide convenience and enhanced privacy to homeowners. Easily switch modes by rotating your thumbprint around the smart door knob. The modes are passage mode, entrance mode, and privacy mode. Perfect bedroom door knobs with lock to keep unwanted guests like roommates or kids from entering your peaceful space.
SMART AND CONVENIENT: Fingerprint door knobs come with an app (detailed in the manual) to manage fingerprints, view unlocking records, lock/unlock and privacy mode to help create smarter door locks for bedrooms.
Note: App control works within Bluetooth range. If you want Wi-Fi control, a separately purchased gateway is needed. Whether you own a hotel or Airbnb, you can grant temporary access to guests and revoke it easily, all from your smartphone.
SECURITY DESIGN DOOR LOCKS: The biometric door knob with lock blends style and functionality. It can recognize your fingerprints, store 20 fingerprints, and features a 5-second auto-locking function to ensure your home is safe. Fingerprints are stored locally and not uploaded to the cloud to ensure your family's privacy. This keyless entry door lock also features a visual power display and a low-battery alarm function. Note that the battery is not removable and usage duration may vary depending on how often the biometric door lock is used. Please check the dimensions before purchasing the smart lock. This smart door lock is not suitable for doors with weather strips installed.
RECHARGEABLE & EASY INSTALLATION: The fingerprint door lock has a built-in 400mAh rechargeable battery that takes 3 to 4 hours to charge fully (requires a USB-A to Type-C cable). The door lock is easy to install with a screwdriver and fits most US doors.
Tips: When installing the interior knob, both exterior and interior knobs must be inserted according to the 'UP' sign on the top so that they stay in place. The spindle bar should be in the vertical position. The thumb turn adjustment arrow points to the center dot and the 'UP' sign; insert the arrow upward on the mounting, applying a little force to get the rear lock completely in