... LED Bulb 1.CE,ROHS,PSE,FCC approval 2.SMD,Samsung5630,e27 base 3,3 years guarantee 4 ... Voltage Protection High Voltage Surges Protection LED Manufacture Samsung SMD LED from KoreaOperating Temperature -20°---+80 °LED ... Data :Light Color Warm White, Cold WhiteColor Temperature 2,700-3,200K / 6,000-7,000K Beam ... counters where UV or IR radiation is undesirable. 2. The LED Bulb widely used in home/Office ...