The technology of opening the door without card in smart hotel is

Radar module technology. Smart hotel has radar module technology in human body. With its unique advantages, it can help hotels attract attention, increase exposure and form differentiated core competitive advantages. As soon as the guest opens the door, the room can be automatically powered. Smart hotel means that the hotel has a set of perfect intelligent system, realizes the digital information service technology of the hotel through digitalization and networking, and has the application of hotel lighting control system and hotel air conditioning control system.