For drop off:
Courier login in or swip the staff card---Scan the barcode of package---Input recipient's phone number or mail address---Doors open, then drop off the packages---Close the door.
For pick up:
Recipient recieves SMS or email with pick-up code or QR code---Enter the pick-up code or scan the QR code---Doors open, get the packages---Close the door.
E-commerce/logistic industry; apartment; school; office building; community; factory; company; Industrial park.