Switch module (two-step controller) for almost all sensors and detectors. The input can be connected to a wide variety of sensors, depending on the area of use. Suitable sensor: The sensors are preassembled with a 1 m connection lead, Western connectors and cable gland. Dew sensor (condensate guard): recognize imminent dew before it emerges. Humidity guard for bath/shower, exterior walls, cool covers, show windowpane etc. Conductance sensor: For supervision of the water quality (ion content), of the abundance state as foam sensor etc. Room humidity sensor: With sinter protection cap for the regulation of the relative humidity in greenhouses, terrace, sanitary room, switch cabinets etc. Temperature sensor -40 up to +80 ºC:In the stainless steel sensor pipe à 6 x 30 mm or as a pressure screw sensor with M10 thread. Light sensor 50 - 2000 Lux: weather-proof for inner- and outer mounting.