All kinds of down light,recessed downlight supply. 2.5"/3"/3.5"/4"/6"/ ... and white painting,110V,220V. All kinds of down light,recessed down light supply.Size:2.5"/3"/3.5"/4"/6 ... :Nickel,Golden,Die-casting and white painting.Material:Aluminum and Iron or Alloy.Voltage:12V,110V,220V.You can use energy ...