Model: H601B(4 Pack) Give your space an exciting glow-up with these RGBWW recessed downlights with Wi-Fi and Bluetooth compatibility. Once installed, these ceiling lights can be easily controlled and adjusted via Govee Home App or voice assistants such as Alexa and Google Home (Matter Compatible). Flexible Connectivity: These smart recessed downlights support direct control via Wi-Fi and Bluetooth for more convenience. Multiple Lighting Options: Select from 16 million colors and 1-100% dimmable brightness to make your space feel more vibrant. Multiple Scene Modes: Access an exciting variety of 65 preset scene modes with a simple tap on Govee Home App. All-In-One Group Control: Use the Group Control feature to control all your lights using the app. Two-Way Control: You can control your smart ceiling lights on Govee Home App or with voice assistants without manual adjustments.