1,New high efficiency constant current driver 2,Energy-saving;High brightness;Long Life; 3,150mm rectangle joint project light Model NO. ... 80RA2200-30002.5KG1200*150*14 Feature:1,New high efficiency constant current driver2,Special circuit design, each group of LEDs ... )Instant start, no flickering, no humming5)New high efficiency constant current driver6)Special circuit design, each group of LEDs work ...