. Front Body {Front Body, Installation on the outskirt of the door} BV Emergency alkaline battery 4. Main Body (Main Body, Installation on the Sierpinski of the door} 7. Setting Menu 9. Quick Menu {Normal Mode) Normal mode is a convenient mode for anyone ta set the door lock. In addition to 10. Unlocking Door with Code Normal Mode: Without a designated person, anyone who knows ‘User PIN Fra Code’ has authority to set features user password, two additional functions can be set (Visitor Code, Onetime Code).