BrematicPRO wireless brightness sensor HS868 01 IP 44 Let there be light! Control your smart home depending on the brightness. By coupling the brightness sensor with the gateway and other BrematicPRO modules, you can, for example, automatically switch on the light or have the shutters lowered wirelessly when it gets dark. Detects brightness indoors or outdoors. Reports the recorded values ​​to the BrematicPRO gateway. Read the data and trigger actions conveniently via the app.