I have half the time to understand that we had to wait overnight for the garland comes on! and it is not known if c is on or pas..quand was unfortunate enough to never be OFF while c is the night black ... it's been several months that I have it and it s great. I use it (set bouquet) to a meadow before the front door and it illuminates ten times better than what sells for the garden (pilot) short, ny damage that he not have to manual