RivenAn 18 LEDs Solar Powered RGB Color Changing Landscape Spotlight Projection Light for Garden Pool Pond Outdoor Decoration & Lighting with 3 Submersible Lamps RGB color changing LEDs. Auto on at night / auto off at sunrise(invalid when switch is turned off). Powerful solar panel and built-in rechargeable Li-ion battery collecting free solar energy for evening use. No AC or DC power needed, easy to set up, continuously light over 8 hours if it is fully charged. Lights are adjustable(90 degree) in the base and they only remained submerged when tied to heavy rocks. Perfect for pool, pond, garden, path road, and other decoration & lighting.