... , AC / DC both work without any adapter or transformer. *High power factor to minimize the harmonic distortion. *Instant start and ... free when working to reduce the eyestrain. *Very even light distribution and high uniformity, no glare to eyes. *Good color rendering, ... for solar power and other applications. Universal Petrol Station 20W LED explosion proof Light (3/5 Year Warranty, TUV, CE, RoHS)