Features: 1. Smart door lock provides you with 5 secure and convenient ways to unlock your door instantly. You can open it by using card Bluetooth compatible digital code remote or just a key. 2. Peek-proof combination touch keypad door lock with user-defined 4-9 digit code and touch to wake; requires 4PCS 5 batteries (not included). 3. The smart door lock is equipped with an emergency charging port so there is no need to worry about being locked out in case of a dead battery. 4. You can set and share the password to your family and guests. Get alerted when someone unlocks the door and monitor the status and access history of this wireless door lock at any time with your security and convenience fully in mind. 5. Simple DIY Installation: Install in about 15 minutes with a screwdriver and a drill and follow the instruction to easily install Smart Door Locks which fits most standard residential wooden door. Specifications: Material: metal Package size: 47.5*27*14.5CM Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight (0.5cm) differences due to manual measurement. includes: 1 x Smart Door Lock