... 90% energy 4.can get free samples 5.display showcase can replace 30W Name display showcase Power consumption 2W, Input Voltage AC12V ... ±500K 6000±500K Luminous(Typical) 125lm 150lm Efficacy(Typical) 63lm/w 75lm/w Color Rendering Index >82 >70 Power Factor N/A ... enviroment. Applications: Offices,factories,shouping mall,school,airports,metrohousehold,,etcWarranty display showcase