The Mini Deep Dome Lamp Fixture features an extra long reflector dome that extends beyond the face of the lamp, preventing the lamp from “sticking out”. Ceramic socket: for use with lamps up to 100 watts. Polished aluminum dome for maximum light and heat output. Deep Dome extends beyond the face of the lamp, preventing the lamp from “sticking out”. Size: 5.5″: Wattage: 100 w