... 6000hours/8000hours/10000hrs5.Color temperature:2700K/4200K/6500K,daylight/warmlight6.Lamp base:E27/B227.Plastic material:PC/PBT8.Package:1pc/ ... ;Min.Qty.In40'HQ:12000pcsAdvantage of energy saving lamp:pure tri-phosphor lamp tube, 80% more energy saving than general ... bulbs and longer lifetime,green light protecting environment. Butterfly Shape energy saving lamp(ISO9001,CE,RoHS,SASO,certification)