... Single LED Intensity:85-110LM 4.Life-span:>50,000H 5.CRI:>80Ra This kind of bulb can be both 3W and 5W. ... used in variety of channel lighting hotel,jewelry display ,windows,home lighting,bars ,museums, exhibition,commercial lighting,landscaping productsAdvantage:1. High efficiency ... not touch the product surface when it is lighting, do not see the lighting sources by eyes directly long time.6. ...