Does the hotel room have a doorbell?

The hotel room has a doorbell. According to relevant public information, there is no doorbell in the hotel lobby, and the doorbell of the shop is mainly in the guest room. Hotel doorbell has the same purpose as ordinary doorbell, which is to remind residents that someone is visiting; The difference is that the hotel doorbell is mainly used by room service personnel; In addition, the quality of the hotel doorbell must be excellent, with long service life. The simpler the update and maintenance, the more economical the hotel manpower and material resources, and the design style should conform to the overall style of the hotel.