Dimension尺寸 PowerConsumption額定功率4WTubeMaterial產品外殼材料aluminumalloy PinType插座類型E27/B22LEDQuantityLED數量4*1W大功率LEDLuminousEfficiency發光功率4WInputVoltage工作電壓AC85-240VWorkFrequency 工作頻率50TO60HzColorTemperature相關色溫2700TO4500K5700TO7000KTypeofLED 光源類型POWERLEDEnvironmentTemperature工作溫度﹣20TO+45℃EnvironmentHumidity環境濕度﹤95%ColorRenderingIndex顯色指數﹥80%（White)﹥85%(WarmWhite)PowerFactor 功率因素 0.85