... double tube aluminum alloy with reflector,polished aluminum materials,with switch,easy installation,maintenance free,saving more energy.2.Using phosphortubelight ... :2700K/4100K/6500K. All color temperature is available.6.Simple switch installation.7.Quickly start,no UV,no flicker,eye protection ... .Using high efficiency ballast,10000 hours lifetime. T5 2*36W lamp fixture