Metal Electronic Door Lock Black

Two unlocking methods: Smart door locks can be unlocked in two ways. One is to open the door with a passcode, which is very convenient for casual visitors, you can tell them the passcode and only need to change the password on the lock when you get home. Or you can open the door with a spare key. Easy to Install: This smart door knob is very easy to install. Just need a screwdriver, it can quickly be finished just by following the steps of the user manual we provide, Installation drawings are included. Enhanced Security & Durable: The keypad door knob enter lock is sturdy and durable. With automatic locking retractor, the door will automatically lock behind you after opening for 2.5 seconds.IP65 weatherproof, works great in any weather. Easy to Operate: Touchscreen keyboard allows you to easily open the door lock. This electronic door knob is versatile, silent mode, low battery alert, password Anti-peeking, Backlight keyboard lights up when pressing keys. Note: The smart door lock is suitable for wooden doors, fire doors, security doors, etc. between 30-55mm. 4 AA batteries are required（Battery needs not including, Low voltage reminder, spare key can be used for emergency situations! Family Safety Guard! Product Size: 5.8x8x15cm. It is suitable for doors with a different material thicknesses of 32-48mm (1.26~1.89inch). Package: 1 x Smart Lock; 1 x User Manual