... . Light source, CFL.2. Power, 7w, 9w, 11w.3. Color and color temperature, 2700-3300k warm white; 4500-5500k nature white ... ; 6000-6500k cool/cold white.4. Voltage, 110v, 220/230v AC.5. Lamp base, GX53.6. Size, D ... span, 7,000 hours. GX53 CFL, 7 9 11 watt energy saving lights, 110v 220VAC CFL