... Certificates 4. 2 years warranty 7W LED COB MR16 GU10 E27 COB led spotlights parameters: ParametersAC 3W COBAC 5W COBAC 7W ... Aluminum PCB/ 35 Epistar ChipsLED Emitter Life50000 Hours50000 Hours50000 HoursLED Lamp Life(Bulb Life)35000 Hours35000 Hours35000 HoursLamp BaseMR16, E11, E14 ... ,E17,E26,E27,B22,GU10MR16, E11, E14,E17,E26,E27,B22,GU10MR16, E11, E14,E17,E26,E27,B22,GU10IP RatingIP 55IP ...