Class C linear halogen lamp 120w ,200w ,230w,330w,400w class C halogen lamps ,energy saving up to 30% Class C energy saving lamp , R7S ... 330w,400w.Color temp:2900K, Lifetime:1000hourClass C halogen lamp: ITEMVoltageVPowerWPowermax5%WPowerMin-8%WLumLmLumMinLmLm/WMinLm/WKLevelSavingLifehLmmDiammBase78mm100W230/ ... 42900C20%100011810R7S Energy Saving C halogen lamp and Class C linear halogen lamp