Hole size: 110 (mm) Dimensions: 145 * 55 (mm) Voltage: 36v (V) Bluetooth built-in color LED projectors The adjustable brightness and color allow you to create a pleasant atmosphere. We can choose a cold light, a natural light and A warm light, and the light intensity is strong enough. All can be edited via Smartphone. Once installed and the color chosen, it does not move by closing and opening again, it can be used as a traditional spot with a simple switch. Compatibility is complete, you Can put it by piece, color you want and intensity you want without having to get your phone out to make adjustments. Easily connect to the application and easily pairing in compatibility mode. These groups rename all points to position them in the house, and you can set a different color for each point in the same room as a true source of light instead of a decorative pattern lighting. Easy to install, just insert the stripped end into the ceiling male / female wire to finish L 'Electrical point installation! Then use its spring clamps to install the ceiling light and complete the installation in minutes. Staging and selection You can choose different scene modes according to different locations and different places. Ambiances Product function: 1. Support for brightness adjustment and color temperature. 2. Canal-RGBWC: In addition to the function of the RGB mode. 3. DYY MODE DIY: Users can choose their favorite colors for different scenes. 4. Group function: check all the lights at the same time creating groups and adding your lights in your group. 5. Timer function: by setting the timer. 6. Music Function: Select your music tracks on your smartphone and listen to them, the lights will dance according to the rhythm. Music mode Intelligent recessed light has a music mode that can Make it shine and dance to the rhythm of your music, including slow relaxing tunes and dance music. Enjoy every rhythm of your favorite music at home. You can turn your room into various themes such as party, reading, night, meeting, leisure, pastel, color, colorful and beautiful. You can choose between a warm white light and a cold white light (2700-6500K), or a gradation. Privice for relaxation and reading. Wherever you are, you can remotely control your smart downlight via the mobile phone via the application. Turn off the lights without leaving the fireplace. Do not be afraid of cold in winter.