... light output 4.elegant shape [HOT SALE] Half spiral energy saving red/yellow/blue/ green color light 1.Tri-color lighting tube ... , high luminous efficiency, energy saving up to 80%.2.Stable performance with efficient light output ... . eicellent color rendering up to 82CRI.5.Elegant shape, energy saving lamp6.The products have passed CE, EMC, FCC, CB, SAA ...