It is a necessary part of the lamps . 1. We have many kinds of lamp head. 2.They are necessary accessories of the lamps .They can be used for the UV lamps ,Exposure Lamps , Infrared lamps ,and so on . 3. Our UV lamp's parameter is as follows : Specification(power: kw)Whole Length(mm)1KW230mm,300mm,320mm,330mm2KW300mm,360mm,400mm3KW410mm,460mm,550mm,6205KW550mm,650mm,725mm,775mm,778mm5.6KW826mm, ...