... flame retardant role. 4: Pure three colors. energy saving lamp T2 SPIRALspecification:5W,7W,9W,11W,13W,15W,18W,20wVoltage ... luminous flux radiated with 20% power used by incandescent lamp.good color rendering property and comfortable rays.wide operating voltage ... color temperatures available: 2700k-4200k-6500kusing brand-glue special for lamp, tightly and environment friendly.we have hundreds of modle ...