... and anti-impact. d).Built-in high efficiency constant current driver, Wide Voltage AC85-265V 50/60Hz input, e).Special circuit ... .f).High luminous intensity, low light degradation.g).With Insolated driver(chosen), NO RF interference, and electric wave resistant.h).Low power ... up to 80%.i).Completely green & environmental protection, no hazards of mercury or lead, No UV and IR radiation.j).Instant start ...