The Portabello table lamp is an easy way to illuminate any outdoor space, but can also be used indoors as decorative lighting. Made from metal, this lantern style lamp is also IP54 rated, meaning that it can be left outdoors, but not submerged in water. Battery powered, this LED outdoor lamp is energy efficient. LED's use up to 75% less energy and last up to 20 times longer than incandescent bulbs.