For recording and transmitting of brightness, temperature, wind speed and rain. Weather data can be linked with actuators to automatically control functions. Weather data can be visualized in the free@home web interface and the free@home app. Wind speed measuring range 2 - 30 m/s The bus can be connected via enclosed terminal block. Rated voltage: 110 V~ - 230 V~ Rated frequency: 50 Hz - 60 Hz Bus voltage: 24 V- Inputs: 4 Protection class (Device): IP 44 Temperature range (Device): -20 °C to 55 °C Temperature range (Sensor): Brightness limit value: 1 Lux - 100000 Lux Dimensions: (L x W x D): 108 mm x 121 mm x 227 mm For software and description please check the current Online-Catalogue.