Ключевые слова: access, accommodation, apartment, automatic, button, close up, code, combination, condominium, control, crime, detection, device, digital, door, electronic, enter, entry, equipment, future, futuristic, handle, home, hotel, house, intelligent, key, keyboard, keyless, keypad, lock, modern, no people, opening, password, private, protection, residence, round, safe, safety, secure, smart, system, technology, unlock,