Smart ceiling lights with main light and WiFi technology. Product features: Can be controlled via the LEDVANCE SMART+ WiFi app (with at least AndroidT¿ 4.4 or iOS 10.0). RGB color control, approx. 16 million color options can be set. Dimmable. Can be controlled via Google Assistant or Amazon Alexa. Color temperature can be set via Tunable White: 2,700.6,500 K. Network protocol: WiFi. Product advantages: Simple and quick installation. Areas of application: Indoor applications. Kitchen, living room, children's room or study. Technical equipment: Support bracket included. Includes mounting screws and dowels. Control via app or voice control requires a compatible smart home system. A smartphone or tablet is required for control via the LEDVANCE SMART + WiFi app.