... , advantages of multi-function control. > Product Introduction Anruis 70W electronic ballast is small in size, light in weight, beautifully designed ... time is minimal at under two minutes. Anruis 70W electronic ballast is suitable for use in streets, tunnels, airports, seaports, docks and ... current, thus reaching high luminous efficacy and extending lamps life. Electronic Ballast for HPS/MH lamp~70W