... 1.90% energy-saving.2.Long life time, brightness large.3.High quality,efficient halogen bulb G9color:white,warm white,coating ... ,ChinaMaterial:quartz/glassPort:Shanghai The main feature of low-voltage lamp cup is:in their entire lifespan,the light intensity stability ... ,color temperature can reach 4200K.External light bulbs frosted, colored lamp cover can be used, aluminum-plast halogen bulb G9