10 x 4.2W LED GU10 Light Bulbs in Cool White. 5.3 cm height x 5 cm diameter. Wattage equivalency 50W. High output and low energy. Always check bulb length against product dimensions to confirm suitability. 10 x 4.2W LED GU10. 4000K (Cool White). 360 Lm. 85.7 Lm/W. 15,000 Lifetime Hours. 80 CRI. 36 beam angle. With our 2 years warranty, we offer the highest level of customer service; we take pride in supporting our customers, and work hard to ensure you always receive a first class service.