Robustline High Quality Smart Lock Cylinder 4 Function- Smart IC Card, Keyless Bluetooth, Key, Smart App Control

APP and share temporary password unlock First, you need to download our app and install it on your phone(supports Android and iOS). Registered your account by Email and phone NO. is ok, following that app guides you inside. Opening your door with our app(Bluetooth open) is ok. Password Unlock We.lock has 10 group passwords and 1 set of administrator passwords, and the other 9 sets of passwords can be shared with the guests and can be deleted and added at any time. Temporary password function, Share the temporary password to open the door for guests, valid for a certain period of time. APP authorization unlock You can authorize the unlocking permission on the mobile app to give you a temporary friend. The mobile phone authorization is divided into level 2 permission and level 3 authority. Level 2 authority can open the door and view the opening record. You can open the door with level 3 permission. APP authorizes a temporary password to open the door for friends, you can choose the time period. 3 minutes installation Simple installation in 3 minutes, only need to replace the lock cylinder, and you can get a smart door lock. It is suitable for more than 90% of European standard lock cylinders. If you are not sure whether it can be installed, please read the instructions first.