Arpha Smart Door Lock ‎D180W WiFi Electronic Lock w/ 50 Passwords Combination Lock APP Remote Door Locks Control Easy to Install

Supports Multiple Unlocking Method The door lock can be opened in multiple ways —— remote unlocking via App + one-time password + regular password + mechanical key. The smart door lock supports 50 sets of passwords including 49 user passwords and 1 administrator passwords. App Remote Control The door lock has built-in 2.4G Wi-Fi. Users can remotely control the device via the app which supports unlocking, unlocking and creating one-time passwords. It can also share passwords with family members, housekeepers and guests. Users can view access control records in the management system. This app does not require additional payment and can be used permanently.（Note: Alexa is not supported） Anti-peeping Password The door lock supports 16-digit virtual password. Users can set 6 to 8 digits of real password and enter 10 to 8 digits of random numbers before or after entering the real password. This function is used to prevent peeping and improve living safety. One-time Password This door lock su