Battery-free wall switch for convenient operation of lights via the CASAMBI app. Wall switch has four individually programmable buttons (individual lights, groups, brightness, color, scenes, animations...). Programming of the individual buttons is done via the CASAMBI app. Initial programming is done via smartphone / tablet with NFC interface. Various pre-installed profiles can be selected in the CASAMBI app. Range max. 10m in buildings including frame. Jäger direkt Opus 55 InformThe middle part can be used in frames of other switch series with an inner frame dimension of 55x55mm, such as: Jäger Direkt: Opus 55 Inform, Opus 55 Kubus, Opus 55 Fusion Merten: 1-M, M-Smart, M-Arc, M-Plan, M-Creativ, M-Pure Gira: Standard 55, E2, E3, Event, Esprit, ClassiX Jung: AS 500, A 500, A plus, A creation, A creation Glas Berker: S.1, B.1, B.3, B.7 GlassThe energy for the radio signal is generated when the button is pressed by the kinetic energy (energy harvesting), therefore no battery is required, maintenance-free