Keyless Entry Convenience: Experience the advanced technology of our keypad door knob, offering up to 20 unique access codes ranging from 4-8 digits. This feature allows you and your family to enjoy smart, convenient access without the hassle of keys. Enhanced Security Features: Our Smart Door Lock is designed for and ease of use, featuring a button keypad that is simple to program without the need for an app. It includes auto-lock functionality and anti-peep technology to your home remains secure. Versatile Locking Modes: The biometric door lock provides three selectable modes-entrance, passage, and security. Easily switch between modes by turning the button on the interior knob, enhancing visibility and convenience for daily use. Long-Lasting Rechargeable Battery: Equipped with a built-in rechargeable battery, our smart door knob ensures extended operation, lasting up to 8 months on a single 3-hour charge. Ideal for interior doors in homes, offices, and apartments. Note: Indoor use only. Simple DIY Installation: This fingerprint door lock includes all necessary hardware for quick installation. Typically, setup can be completed within 15 minutes using just a screwdriver, following the straightforward instructions provided. Colour:Silver Material:Aluminum alloy + stainless steel Package Contents: 1 set of password locks 1 set of accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Keyless Entry Convenience: Experience the advanced technology of our keypad door knob, offering up to 20 unique access codes ranging from 4-8 digits. This feature allows you and your family to enjoy smart, convenient access without the hassle of keys. Enhanced Security Features: Our Smart Door Lock is designed for and ease of use, featuring a button keypad that is simple to program without the need for an app. It includes auto-lock functionality and anti-peep technology to your home remains secure. Versatile Locking Modes: The biometric door lock provides three selectable modes-entrance, passage, and security. Easily switch between modes by turning the button on the interior knob, enhancing visibility and convenience for daily use. Long-Lasting Rechargeable Battery: Equipped with a built-in rechargeable battery, our smart door knob ensures extended operation, lasting up to 8 months on a single 3-hour charge. Ideal for interior doors in homes, offices, and apartments. Note: Indoor use only. Simple DIY Installation: This fingerprint door lock includes all necessary hardware for quick installation. Typically, setup can be completed within 15 minutes using just a screwdriver, following the straightforward instructions provided.