There are 3 kinds of popular sunset lamp for you to choose:
1. With smart app, controlled by the bluetooth function of your phone, you need to download the app. With music rhythm and timing function. You can adjust the color or dim the brightness on your phone. There is also an IR remote which can also control the light.,but the battery of the remote controller is not Included,
2. With IR remote and 4 color filters, more colors can be created with the help of filters. the battery of the remote controller is included.
3. No remote or app, you can change colors by changing filters. There are at least 4 colors you can get.