Smart Biometric Fingerprint Door Lock with Built-in Doorbell - High Sensitivity Keyless Entry, TTlock Version - Perfect for Homes, Apartments & Offices

Specification:Item Type: Smart Door LockMaterial: Aluminum alloy + stainless steel Applicable Scene: Home, hotel, apartment, homestay, officeBattery Type: 4 AA batteries (not included)Power Supply: 4-7VEmergency Power Supply: External USB: 5-7VQuiescent Current: ≤50μADynamic Current: ≤300mALow Voltage Warning: ≤4.8VWorking Temperature: -25℃-+65℃Fingerprint Capacity: 100 piecesHow to Use:1. * key function: one‑key return/cancel/lock;2. # key function: confirm/doorbell/remote unlock request;3. Remote unlock: After the system wakes up, enter 3, # to request remote unlock;4. Lock ID: After the system wakes up, enter 99, # to verify the administrator information;5. Enter the menu: After the system wakes up, enter #, confirm the administrator information, and enter the menu.Package List:1 x Inner Door Machine1 x Outer Door Machine1 x Lock Body1 x Gusset1 x Buckle Box3 x Screw4 x Screw1 x Spindle2 x Key2 x ID Card3 x Expansion Tube1 x Hole Map

ID Card Unlock: The magnetic card door can be opened with a touch, which is suitable for the elderly who often forget the password and relatives and friends who live temporarily.

Security Door Lock: New technology of virtual password, anti‑tracking and anti‑snooping. After the interior is locked, the outside door can only be opened with a mechanical key.

Louder Doorbell: The built‑in doorbell has a built‑in high‑decibel speaker, which is louder than other smart locks with external speakers. There is also a voice reminder function.

High Sensitivity: The semiconductor fingerprint sensor automatically tracks the changes of the user's fingerprint, so as to keep the fingerprint recognition sensitive and effective, and the maximum fingerprint capacity is 100 pieces.

Long Durability: IMD panel, aluminum alloy shell, scratch‑resistant and wear‑resistant, long‑lasting as new, curved design, showing the beauty of technology.