Lithonia Lighting OLLWD P1 40K MVOLT DDB M6 LED Outdoor Cylinder Downlight 4000K, 9W, Dark Bronze. Part Number: OLLWD LED P1 40K MVOLT DDB M6. Item model number: OLLWD LED P1 40K MVOLT DDB M6. The rugged cast-aluminum housing is protected by a thermoset powder coat finish that provides superior resistance to corrosion and weathering to maximize its lifespan.