![CDATA[The KNX wall/ceiling sensor offers various variants with brightness sensor, presence detector, temperature sensor, humidity sensor, CO2 sensor and pressure sensor. States can be linked using multifunctional modules and logic gates. Products have integrated controllers for controlling ventilation or heating/cooling. Plastic housing, color white. Surface or wall/ceiling mounting. IP30 protection class. Dimensions approx. Ø 105 mm, height approx. 32 mm. Up to 95% RH ambient humidity. Operation via KNX bus voltage. CO2 sensor: measuring range 0 - 2000 ppm.]]>