... Input Voltage: AC/DC12V (MR16), AC85-265V/50-60Hz (E27,Gu10)2. LED Qty: 3pcs 1W High Power LED3. Socket: MR16, GU10, E27, E14, optional4 ... easily as pulling out the old and pushing in the LED Version..Long lifespan up to 50000hrs and less energy ... ,slow failure, less maintenance /replacing cost, the economic choice.Low operating temperature, Rohs approval, recyle without hazardous gasse and materials ...