energy saving up to 80% life span3000- 6000-8000 hs voltage 220V-270V /110V-120V 6400K-2700K CE/CCC E27-B22 8U shape energy ... living-room,office,factory and shop etc8. Service life up to 8000 hours . , high light efficieny,light decay rate below 15 ... % after 2000hours .9.2700k to 6400k10.CE certificate,CCCD17 Model:JDW-E1 8U Typevoltage(v ...