Instead of the conventional hotel key card-holder, we use an advanced algorithm for detecting the presence of guests using a sensor in the door in combination with the presence of sensors in the hotel room. This guarantees no undesired changes in room status and ensures the best guest experience. In addition, there are several safeguards to ensure proper room status.
The image on the left shows the sensor, which can be delivered in white or black. The black one also comes with a black lens, as shown in the picture.