This 10W Warm White 3000K 4 Pin PLC Compact Fluorescent lamp offers savings of up to 60% in energy usage compared to an incandescent and an impressive 8000 hour lamp life. The 10 Watt output of this lamp is the equivalent of a 40W incandescent bulb. This is a high quality high efficacy long life lighting solution perfect for applications where a compact light source is required.