... warranty 4.60w,90w,120w,150w,180w,210w Advantages:- Super brightness, high power, high efficiency, low energy consumption.- Long lifespan, energy saving, ... and buried in a underground cement pit. In this way, it can avoid overhigh temperature due to sunshine exposure ... theftproof, easy for replacement in late period.4. The pole patterns are standardized type, practical and economical, which can also ...