The Somfy Sunteis Solar io 1871307 is an intelligent sun and temperature sensor for the automatic control of sun protection systems. The device continuously measures light intensity and ambient temperature and transmits this data to compatible smart home systems. By precisely measuring solar radiation, the sensor enables automatic adjustment of roller shutters, awnings, or blinds to protect interiors from overheating and optimize energy consumption. Temperature monitoring also supports situation-dependent control of the indoor climate. The sensor operates wirelessly within the io-homecontrol system and is fully compatible with the TaHoma platform. This allows it to be integrated into existing smart home installations and controlled centrally. Designed for outdoor use, the solar-powered device requires no complex wiring. This allows for flexible placement in suitable locations with sufficient sunlight. The measurement data is processed in real time, enabling the quick and reliable triggering of automated scenarios. This increases comfort and energy efficiency in the building. Overall, the Somfy Sunteis Solar io offers precise environmental monitoring for the intelligent control of sun protection and climate control systems in smart homes.