... wattage 40W ~ 120W power factor 0.99 For solar LVD induction street lamp LVD induction lights, it ... E27/E40 base. You can light them in any direct in your home,shop,school,ect. For round ... between ballast and heat source, the better. 6. Solar system, 12VDC or 24VDC, take care that control system ... DC voltage item, it is best choice to use in solar system. Together with street fixture, better choice than ...