Lamps 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. Easy installation and use. Does not contain any mercury. Areas of application: for use indoors. Technical equipment: Control via app or voice control requires compatible smart home system. A smartphone or a tablet PC is required for control via the LEDVANCE SMART+ WIFI app