... (up to 90LM/W), excellent in brightness. NICK Spark LED PL Lamp, Smart Series1, innovative design, smart and functional; high efficiency ... light with 1W equals to compact fluorescent light with 2-3W; 4, long in lifetime, 6-8 times longer; green&eco ... , sparkle your green and quality life. Spark Energy Efficient LED PL Lamp, G24 Lamp, Smart Series