... to 90LM/W), excellent in brightness. NICK Spark LED PL Lamp, Smart Series1, innovative design, smart and ... , 60%-70% more than CFL, that is LED plug-in light with 1W equals to compact fluorescent ... light with 2-3W; 4, long in lifetime, 6-8 times ... offices, etc, for commercial lighting project.Spark LED, sparkle your green and quality life. Spark Energy Efficient ...