SmartKey helps you to easily and safely manage doors, barriers and elevators by installing our small device, after device is installed you can open doors, barriers and elevators even when there is no internet in your phone, it is also possible to share the device for specified time interval, we provide a secure connection and log each action such as when and who used device. We cooperate both with individuals who want to install our system at home, as well as with companies who want full office control and accounting. To purchase the device and cooperate, contact us via e-mail [email protected] if you already cooperate with us and need help, contact us at [email protected]