Solar Rennes Post Light is Made From Stainless Steel With Glass Lens To Provide Atmospheric Light In Your Garden Part of the Luxform All Year-Round Series - These Lights are equipped with a self-thinking system, which distributes the stored energy evenly over the number of burning hours. 5 Lumen Output Perfect for Boarders, Drives & Planters Outdoor use IP Rated Automatic Light Sensor which switches the light on when it gets dark.