Ceiling luminaires with Human Centric luminaireing technology. Product properties: color temperature via tunable white adjustable: 2,200 ... 5,000 K. controllable via Ledvance Smart+ WiFi app (with at least Androidâ ¢ ï¸ 4.4 or iOS 9.0). Control via Google Assistant or Amazon Alexa possible. Dimmable. Innovative full spectrum Sunlike LEDs with CRI95. Sunlike LEDs with a reduced blue luminaire share in the LED spectrum. Innovative luminaireing coating against household germs and smells. Automatic biorhythm function. Product advantages: enable increased concentration and efficiency. Improve the general level of activity and vigilance a day. Improve the sleep rhythm and intensity. Improve optical comfort. Improved level of pure air safety by killing household germs and bad smells. Homogeneous luminaire distribution. Simple and quick installation. Areas of application: interior applications. Kitchen, living, children's or study. Technical equipment: Control via app or voice control requires compatible smart home system. A smartphone or tablet is required for control via Ledvance Smart + WiFi app. Full assembly and connection accessories include