Bluetooth Low Energy (BLE) smart switch insert wall transmitter, 2 / 4 channel. For smart switch rockers N2225.1 and N2225.2 Smart switch compatible with Bluetooth ecosystems of following companies: Aruba, Casambi, Enlighted, Fulham, Helvar, Hytronik, Lumobi, Qeedji, SILVAIR, Blu2Light (Vossloh Schwabe), WISILICIA, XICATO Controls. For saving, calling up and dimming individual light scenes. Battery-free switch, no connection to mains voltage (230 V~) required. Environmentally friendly, sustainable and maintenance-free. Transmission energy is generated when switching (energy harvesting). Depending on the ecosystem, the wireless range is automatically extended via mains-powered BT mesh devices (repeater function). Encrypted transmission with AES-128 (CBC mode) and sequence counter. Contains NFC configuration interface according to NFC Forum Type 2 Tag (ISO/IEC 14443 Part 2 + 3). Therefore particularly simple commissioning of BLE radio components from Casambi. N2225.1