Full spiral eneygy saving lamp 1.long life span 2.eye-sight protection 3 ... Accepted 1.Tri-color lighting tube, high luminous efficiency, energy saving up to 80%.2.Stable performance with efficient light output ... .Base type: E14, E27,E40, B22 9.Elegant shape, energy saving lamp10.The products have passed CE, EMC, FCC, CB, ... and OEM are welcome. T4 Full spiral(Spring) low power 20W Energy saving lamp