1. Connect mobile devices (smartphones, tablets) and keep track of elevators status at home.
2. Remotely call the elevator and let the elevator wait for you.
3. When there is an abnormality situation in the elevator, press the alarm bell to send a warning message. The related personnel of the elevator company and your family will immediately receive the message and can immediately deal with the crisis.
4. Immediately grasp the elevator operation information.
5. Elevator abnormal historical information, records and inquiries.