Features:100% Brand New.Stable， no flickeringMainly used to adjust the brightness of single color LED lightsLow power consumption and energy-savingCan reduce the times and cost of replacement lampsConstant voltage and constant current outputEasy to install and simple to useBrightness Controller For Dimmable Ceiling Downlight，Spotlight，PAR20 etc.Specifications:Shell Color: WhitePower: 300WInput Voltage: AC 220VFrequency: 50HzMateri: PlasticDimension: 85*85*50mmWeight: 100gApplication: Ceiling Downlight，Spotlight，PAR20 etc.Approved: CE RoHSPackage Content:(Without Retail Box)1 x 300W LED Dimmer2 x Screw