Open the door automatically without the need for a key. Gives a warning notification in case of any abnormality at your door. For example, you will receive an instant notification if the password is repeatedly entered incorrectly or if the door is opened without your knowledge. You can define one-time dynamic passwords offline. You can add multiple user passwords. Moreover, you can use the smart lock in a scenario with other Fonri devices. Such as automatically turning off the lights when the door is closed and stopping the air conditioning. Standby time up to 1 year. No damage to the door during installation, suitable for many door models. You can control the smart lock with the smart keypad when there is no phone access.