Standard Socket This outside lights mains powered are suitable for GU10 LEDs and Halogen bulbs. Each lamp requires 2 x GU10 halogen or energy efficient LED bulbs, max. 35W per bulb (not included). Modern Style outdoor wall light is designed with classic matte black finish in rectangle shape, at the top and bottom is a tempered glass lens, when illuminated the light shines on the wall above and below.