... Certificate 900LM 2700-6700K 9W SMD led corn light 9w Specification for 9W LED Corn LightMaterialPCInput VoltageAC85-265VPower consumption9wInput Frequency50-60HZPower Factor ... 50 000 hours,5. Minimum maintenance required.Application environment:Suitable for house, hotel, meeting room, show room, shop, back lighting etc ...