1. Three parts : Power Source ,UV Lamp , Shutter Lampshade. 2. Merit : Small Volume , Light Weight , power ... the needs of a variety of curing craft . 2. Effective and save energy: Compared with the ... transformer, in the same electric power situation, the system can output more than 10% ultraviolet energy , ... is the 1/5 weight of the traditional UV Transformer . Stepless Adjusting Light UV System 4 for ...