Feature:1. The five‑in‑one smart lock includes password + + fingerprint + IC card + key, which can meet your needs.2. The password will be automatically locked for 5 minutes after entering the wrong password more than 5 times. This design is very user‑friendly.3. Don't worry about losing your IC card, because you can delete specific keychain or fingerprint users as needed. And you can enter your home without a key.4. You can enter up to 99 different fingerprints, and you can generate timed, permanent, one‑time or custom passwords for guests, visitors, butlers or employees.5. Let children, friends or other people who want to enter more flexible, no need to wait at home, can also set up an automatic lock function, do not worry about forgetting to lock the door.How to Use:Please prepare 4 x AAA batteries before use, download the APP in the manual in advance, and bind the smart door lock according to the guide in the manual, which can be controlled remotely. Please read the guide carefully for other functions.Specification:Item Type: Smart LockMaterial: Zinc AlloyScope of Application: Family, Apartment, Residence, Hotel.Unlocking Methods: Fingerprint, Password, Smart Card, Mechanical Key, App, Bluetooth.Fingerprint Capacity: 99 PiecesPassword Capacity: 99 GroupsSmart Card Capacity: 99 GroupsSupply Voltage: 6VBattery: 4 x AAA Batteries (without Batteries)Installation Margin: 60-70mmAPP: TT LOCKPackage List:1 x Door Inner Lock Body1 x Outer Door Lock Body1