Here’s a smart solar floating ball that emits changing colors at night. Government should invest in these and put them on the bayside waters such as under the Bay Bridge or Golden Gate Bridge to make use of the sunlight, providing nice glowing lights at night.
Main Features:
*Emitting rainbow color
*Color changing automatically
*Floating on water surface
*Fixable by the hole at bottom
*Totally sealed, waterproof
*Operating time up to 12 hours
*No wiring needed, wide application
