... atmosphere.2.With incandescent lamp ,mercury lamp,high-pressure sodium lamp,metal halide lamp.3.Can be matched with lamp dome reflector. Features ... 's outside diameter(Φ,mm)Inlet's thread(G")Lamp socketE-markBCD-250IP56,WF110-14 3/4E27ExedIIBT4 Supplied ... with light source Lamp voltage Self-ballasted mercury vapor lampIncandescent lampHi-mercury ...