... led Lamp BaseE40,E39,E27,E26Power Consumption40W±5% LED Luminous Efficiency>100lm/wLuminous Flux4300lm ±5% ( Tj=70°C,Ta=25°C)Lamp ... : 2,700 ~ 3,500 KNatural White: 4,000~5,000 KCool White: 5,500~6,700KColor Rendering Index(CRI)Ra>70LED Emitter ... are from domestic and foreign well-known brand manufacturers.5. After repeated tests before shipment.6. Transportation: We work with the international ...