Description: - Group or single control: There can create a group for all of smart downlight and control all of them with just one app. - Long-range control: Support long-distance control, such as off light before sleep on bed, or control home light at another city. - RGBCW selection:There can adjust 16 million colors. Use the app installed in your smart phone or tablets to change the color you want based on the RGB circle showed in the APP. And the color brightness can be changed from the dark to bright. - Scene Mode: You can switch mode freely when you are sleeping, reading or at a movie night. It can be used in the home indoor lighting, hotel, meeting room, bar, cocktail party, birthday party, etc. Just find your favorite scene Atmosphere. - RGBW color function and multi-scene mode are widely used and timing function make it more practical. Specification: Material: Aluminum Size: 60x60x115mm/2.36x2.36x4.53 inch Power: 9W Package Includes: 1 Piece Light Bulb Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3mm differences due to manual measurement.