... . its mainly features are as follows:1. Long lifespan. High frequency induction lamp had no filament, there are no elements to ... environment lighting source. 4.No flicker. Because of its working frequency is 2.65MHz, it can be considered as "quite without ... . High power factor, low current Harmonic, stable votlage supplier, stable output luminous flux.10.simple and flexible Installation ways. E27/E40 ...