Color Changing & Remote Control Nice colors can be presented on one solar ball lights. With a total of 10 beautiful RGB colors to choose from, you can easily switch to your favorite color from your couch with the remote control to suit your mood. Which is very convenient. Solar Powered & Auto On/Off The solar panel is inside the bulb light. Under direct sunlight, the solar ball light will automatically charge and turn on automatically at night. When fully charged, it provides you with 6-8 hours of lighting decoration.