SunMax has in store for you an intelligent off-grid, low maintenance, zero utility solar lighting solutions using the latest photovoltaic technologies that are designed in both rural and urban settings. At dusk the integral photocell will automatically turn the lamp on top to 30% brightness. The integral sensor working distance is 7 to 10 meters, therefore when people or vehicles approach, the lamp will automatically switch to 100% brightness. When no presence is detected the lamp will ramp back down to 30% brightness.