2011 New design high power 5wLED buld light parameter: VoltageAC110-240VSingle led power1WLED QTY5PCS 1W High powerLED source colorsingle color(P,R,G,N)Color Rendering Indexabove75Total power6WPower factor0.7LED Drive typeLED constant-current sourceInitial Illumination fluxWW:320-380LMPW:360-420LMCW:380-450LMLED junction temperature70°CProtection gradeIP45Ambient temperature-20-50°CWorking temperature50-60°C NW/GW0.12KG/0.15KGPackage size140*90*90mmSocket typeE27/GU10/E17/E14Specification : 1.High transmittance ,fireproof lampshade (transparent, striated and milky ) 2.Elegant appearance , prefect heat radiation structure, 3.Special pcb design ,withstand high voltage above 2000v 4. Wide range voltage input ,world wide used . 5.Different colors to choose from ,provide OEM service. 6.Can be select the CCT according to actual need 7.Meet the EMC certification and in accordance to the Rohs Requirement . 8.can be turned on /off frequently and not affect the life ,have no filaments in led light source , Optimum brightness immediately after light on . 9.Can replace 20W of the traditional light bulbs , the advantages are more energy saving and environmental protection ,No lead, mercury etc. harmful chemical substances ,no ultraviolet ,infrared radiation Applications: Residential , commercial ,gallery ,hotel ,meeting room ,schools, and other industrial buildings . Free samples may offer to test if you are interested in it .