Using the "Smart Key" App, BLE common door reader, and underground parking lot BLE emergency bell device,
It is a simple app that can be used for automatic entrance to the common entrance of the apartment, automatic registration of parking location, search for parking location, and emergency.

* main function
- Automatic entrance to the common entrance: If a smartphone is registered at the common entrance, Smart Onepass is running, and a BLE common entrance terminal is installed, you can automatically enter and exit the common entrance of the apartment.

- Parking location registration: Register the parking location using the BLE emergency bell in the underground parking lot and Bluetooth communication. If the parking location registration is successful, you can check the parking location on the wall pad (household unit) within the household.

- Checking the parking location: If you register the parking location at least once, you can check the last parking location registration time and the underground parking lot column number.

-Emergency: If an emergency occurs in the underground parking lot, press the emergency button to sound a warning light or siren on the BLE emergency bell of the underground parking lot and display the emergency location in the disaster prevention room.