The voltage is stable, safe, not easy to generate heat, and consumes little power. But it is heavier than the electronic ballast's nail lamp, because there are two inductors, the quality is very heavy, the carrying is not so convenient, the low voltage can't start. Nail lamp is a new product derived from the nail industry. The domestic nail market is getting better and better, and various chain nail stores have emerged as the times require, which has brought about another development of the production chain.