Master switch coming/going for 'Valena Life with Netatmo' - For installation near the entrance door to control everyday scenarios (e.g. lighting scene when coming home/everything off when leaving), which include lighting, roller shutters and sockets. The individual everyday scenarios are only programmed once - via the 'Home + Control' app - and are then identical on all master switches. Extra-flat design, is flexibly attached to the wall using the adhesive strips supplied and can be moved at any time. Can also be mounted on a flush-mounted box using screws. The master switch can only be used in combination with the starter package. CR 2032 - 3 V button cells included (standby life: 8 years). Delivery includes rocker and cover frame. Version: Valena Life in ultra white