1. GX53 base CFL lighting 2. Diameter 75mm, height 24 mm 3. 7w, ... 2700-6500k color temperature. 5. 7000 hours life CFL GX53 lamps.1. Light source, CFL.2. Power, 7w, 9w, 11w.3. ... Color and color temperature, 2700-3300k warm white; 4500-5500k nature white; ... Life span, 7,000 hours. 110/120 VAC GX53 CFL light, 7w 9w 11w energy saving lamp, compact fluorescent lamp ...