... period 19W Par38 E27 Double Reflector Dimmable LED Par Light Parameters:led lamp 220v e27High Power Dimmable 19W LED Spot LightingInput Voltage : ... longer than halogen.The new optical design, better lighting effect(multi reflector design, softer light effect).Open cooling structure ... flicker-free and safe.Lamp Dimension: Applications:Widely used in the hotel, meeting room, offices, hospital, schools, ...