... 4,lifespan:50,000 hrs 5,warranty:3 years new style metal meterial SMD5050 E27-4.4W photographic lightingSepecificationsInput Voltage AC100 ... 18pcsLED Manufacture Cree, Edison, EpisarOperating Temperature -30o~+50oLED Lamp Life 50,000 hoursRelevant Certificate CE, RoHS,FCCWarranty 3 yearsOptical ... lifespan and save energy5,5% attenuation after 1000 hours,life time is 30,000-50,000 hours.6,Use super ...