Lamps with Human Centric Lighting technology. Product features: Color temperature adjustable via Tunable White: 2,200 to 5,000 K. Controllable via the LEDVANCE SMART+ WiFi App (requires at least Android 4.4 or iOS 9.0). Control via Google Assistant or Amazon Alexa is possible. Dimmable. Innovative full-spectrum SunLike LEDs with CRI 95. SunLike LEDs with reduced blue light content in the LED spectrum. Innovative lamp coating against household germs and odors. Automatic biorhythm function. Product benefits: Enable increased concentration and efficiency. Improve overall activity levels and alertness during the day. Enhance sleep rhythm and intensity. Improve visual comfort. Improved level of clean air safety through the elimination of household germs and unpleasant odors. Easy installation and use. Contains no mercury. Application areas: For indoor use. Technical specifications: Control via app or voice control requires a compatible smart home system. A smartphone or tablet PC is needed for control via the LEDVANCE SMART+ WiFi App.