... 250W2.Shell material:Aluminium body,Tempered glass3.Lamp holder:E27/E404.Lifetime:30,000Hours5.Working temperature:-20---40Degrees ... Celsius6.Internal bulb replacement with superior dust-and water proof.7.Widely used in ... die-casting, thickness of 5mm, smooth,elegant in shape,light and sturdy in configurationReflector:Electrolytic aluminum, thickenss of 0 ...