Is what the hotel supply in hotel or room for convenience to the guests and no cost any more.
Examples of a variety of services such as system เอนเตอร์เทนเม้นต์ room service check-out automatically, parking is available free, there are security. And staff who can speak a variety of languages. Moreover, most hotels have private bathrooms. Inside the room.
The facility is to attract attention. To make guests feel more comfortable and encourage guests to use the service again.