... ROHS certificateOEM Service is available.Advantages: 1),High efficiency and energy saving: Under same brightness, The time by LED lamps to ... kilowatt-hour is 1000hours, while the time by normal energy saving lamp is 100hours and by normal electric incandescent lamp ... not. 5),Very safe, only need small working voltage and current, suitable for ore yard.Good artwork process: 1), homothermal searing-iron ...