序号NO.项目Items要求值Requiredvalue公差Tolerance单位Unit备注Remark4.1发光二极管数目QuantityofLEDs768---Pcs1000HRAttenuation0.3%4.2发光颜色LightingcolorWhite------2700K-9000KEither4.3光通量Luminousflux1600 Lm 4.4光效Luminousefficacy60 Lm/W 4.5照度Illuminance15 LuxLighthigt6meter4.6角度Radiationangle120---Degree