... temperature: 3,000k; 4,300k; 6,000k; 8,000k; 10,000k; 12,000k; 15,000k5) Light colors: golden light, sunlight, ... /5,000K/5,100K/6,000K/8,000K/10,000K/12,000K/15,000K/20,000K/30,000K/50, ... )Life-span:> 3,500hoursLuminous flux:3,500LM, nearly 10 times more than halogen lampsOperating ambient temperature range:-40- ... a Color packing box of 32*23*7cm ,then 10 kits to a 46*34*37cm carton .Sum descriptionHigh ...