Casambi switch, functionality: 4 configurable switching points, radio standard: Bluetooth Low Energy BLE, frequency band: 2,400 MHz, radio range: 100 m open field, 10 m indoor, service life: 50,000 clicks, power supply: battery-free, with integrated energy converter, commissioning: with NFC (ISO 14443) and with app (Android / iOS), connection frame, installation: screwed onto flush-mounted box, connection: is connected to a hidden box below, to cover a 2-way flush-mounted box, material: plastic, glossy alpine white (RAL9010)