The Sensor On-Off Dim Up-Down KNX MicroWave is a dual technology infrared and microwave sensor. The sensor is used to detect the presence of moving people. It is possible to set the operation of the Sensor On-Off Dim Up-Down KNX or infrared only, microwave or both. It is also equipped with a brightness sensor with the possibility of setting the light source: internal, external. In the Sensor On-Off Dim Up-Down KNX the brightness function can be used alone or in combination with the detection function.When the brightness sensor is combined with detection it will be necessary that the requirements of both settings are met. The use of the sensor is suitable for residential, commercial and tertiary environments.