... 4.60w,90w,120w,150w,180w,210w Advantages:- Super brightness, high power, high efficiency, low energy consumption.- Long lifespan, energy saving, environmental ... requirement and weather condition. 3. The batteries are suggested to be placed in battery box and buried in a underground ... . In this way, it can avoid overhigh temperature due to sunshine exposure or too cold weather in Winter, wateproof and ...