The RemPhos solar flood light fixture features an all-in-one design. The solar panel and battery are built into the LED fixture. No need for a power source, which eliminates the need for trenching or wiring. Perfect for signage, billboards, walls, pathways and gardenfeatures. This fixture will turn on at night automatically, staying at 100% power for 4 hours and then dimming down to 25% for the rest of the night.