... high lumen led lamp factory direct sale, cheap price different watt can be available ITEM NAME: 4*1W E27 LED LAMPSpecifications:LED: high power Epistar chip (1w each)LED ... Material: Ceramics Driver Mode: Built-in constant current modeBase: GU10, E14, E26, E27, MR16Voltage: AC12V, AC100-240V Lifespan ... of lamp bases, optional base: GU10, E14, E26, E27, MR16.7. This led lamp has starting voltage range, ...