Dimension尺寸 PowerConsumption额定功率4WTubeMaterial产品外壳材料aluminumalloy PinType插座类型E27/B22LEDQuantityLED数量4*1W大功率LEDLuminousEfficiency发光功率4WInputVoltage工作电压AC85-240VWorkFrequency 工作频率50TO60HzColorTemperature相关色温2700TO4500K5700TO7000KTypeofLED 光源类型POWERLEDEnvironmentTemperature工作温度﹣20TO+45℃EnvironmentHumidity环境湿度﹤95%ColorRenderingIndex显色指数﹥80%(White)﹥85%(WarmWhite)PowerFactor 功率因素 0.85