Smart decorative ceiling with wifi technology TW and dimmable. Product features: Controllable via LEDVANCE SMART+ Wi Fi App (with minimum Android 4. 4 or i OS 9. 0). Controllable via voice control available: Google Assistant or Amazon Alexa. Adjustable color temperature via Tunable White: 3,000 6,500 K. Dimmable. Network protocol: Wi Fi. Product benefits: Easy and quick installation. Areas of application: Indoor applications. Kitchens, living rooms, children&aposs rooms or home offices. Equipment / Accessories: Mounting bracket included. Mounting screws and dowels included. Control via app or voice control requires compatible Smart home system. For control via LEDVANCE SMART + Wi Fi App, a smart phone or Tablet PC is required.