10-piece variant of wireless flush-mounted actuator for controlling lighting systems. Usable in Busch-flexTronics® wireless single control as a standalone renovation solution or radio-networked room control with up to 32 devices. Integratable into Busch-free@home® wireless via System Access Point with up to 150 devices. 3-wire connection technology (neutral wire required). With push-in spring-loaded terminals. With secondary input. Operation via conventional switches (e.g., 2020 US) is possible. Compatible with secondary switch insert flex, 64891 U. Compatible with Smart-Switch wireless 62721 U-WL and 62721/01 U-WL. Remotely controllable via Bluetooth through smartphone/tablet app. Programming via Bluetooth with the Busch-free@home® Next App or through the web interface of the System Access Point. To be installed only in conjunction with commercially available flush-mounted device boxes according to DIN 49073 Part 1.