... :2700K—3500K,pure white:4000K—4500K, cool white:5500K—6500K,Lamp BaseGU10/G53 Advantages 1. Unique integrated Lens and Lampshade design ... 50, 000 hours, 50 times than the conventional tungsten wire lamp 4. Impact resistance, shock-proof, without UV or IR radiation 5 ... ourselves with the best component, not outsource like other factories; 4. The technical data we mark (Lumen, power consumption...) is ...