ELINKUME Solar Pool Lights,Waterproof LED Colorful Changing Solar Floating Light for Swimming Pool,Garden and Party Decor Outdoor Pond Path Landscape Light (Solar Floating Light) Color ChangingRGB Color Change Automatically, Color automatically changing from Red to Yellow, Green Blue. Multi nice color like the rainbow adds a wonderful fairly ambiance to your surrounding. Energy-Saving Automation DesignBuild-in rechargeable NI-MH battery 2V 600MAH, Its Li-ion can provide 8-12 hours of illumination at night from just 6-8 hours of charging during the day. Easy to UseMulti-use, waterproof and sealed, you can put it in the pond, hang it over the treescurtains and doors.No wiring. There is sunlight, there is electricity. Light ControlThis lamp uses LED energy-saving lamp beads with automatic light-sensing function. It automatically turns off the lights during the day and automatically lights up at night.ON/OFF switch placed on the bottom of the floating lamp. Waterproof Heatproof Chill-proofMade of strong and durable ABS material, can adapt to all kinds of weather.Diameter: About 10cm/ 3.94inch.