2W,4W灯泡尾宽:35MM直径:99MM头宽:14MM 功率 Watt : 2W 4W光通量 Luminous Flux: 180lm/240lm 光效 Luminous Efficacy: 100lm/W 色温 Color Temperature : 3000K-6000K 寿命 Working Life: ≥15000hrs 工作温度 Working Temperature: -40℃+75℃ 匹配LED:三星 LKD-SSG-2W 4W 交流LED说明 Remarks:It is used in indoor illumination, and can replace 25W traditional tungsten filament lamp. This product has won the "People's Choice Award" in USA Lighting Fair用于室内照明尤其:酒店,宾馆,商场,超市照明用电大户,可替换传统25W钨丝灯,荣获美国灯饰展最佳人气奖 .