Specifications Voltage 220V 50 Hz Power Less than 300 W Relative humidity 85%RHWorking Temperature-10C~50 C Storage Temperature-25C to 65 CDimensions 85mm X 85 mm Rotation Angle 320 Dimmable Range 1% to 100% Shell Color White Modulation Knob Switch Typeoff-on Suitable for light source Dimmable LED light Package Included 1x AC 220V Dimmer 2x Installation screws