innovative design, smart and functional; high efficiency, high efficacy(up to 90LM/W), excellent in brightness. NICK Spark LED PL Lamp, Smart Series1, innovative design, smart and functional; high efficiency, high efficacy(up to 90LM/W), excellent in brightness; 2, for replacement of compact fluorescent light(CFL); 3, energy (and money) saving, 60%-70% more than CFL, that is LED plug-in light ...