1,Competitive price and good quality. 2,Safety. 3,Good after sales service. 4,Good design,easy to install . Item Shap NO. Watt (W) Volt(V) D*H,(mm) Base Life(h) ColorSDRF-R50FR R50 25/40/60/75/100 110-130/220-240 95*125 E27/B22 1500 Clear/Reflector R95 General Clear/Frosted Reflector Bulb