Ключевые слова: access, alarm, authorization, business, button, closeup, code, combination, concept, control, data, device, digital, domestic, door, electronic, entrance, entry, equipment, exit, finger, hand, home, house, insurance, key, keypad, lock, man, number, office, one, open, password, person, pin, prevention, protection, push, safety, secure, security, sensor, system, tag, touching, unlock, wall,