1,2.5W E27 corn bulb 2,Luminous flux: 275lm 3,Base type: E27//E14 4,Bulb source: 60pcs LED 5,Lifespan: 50000hrs 2.5W led corn ... Material: AluminiumPF>0.9CRI:83RaLifespan:50000hrsWarranty: 2 yearsled corn light, e27 base lamp Advantages1,Environment friendly, no mercuryand or other ... a protective and concentration effect avoid light loss, so that makes the lamp more concise and beautiful7,No twinkle, ...