Spiral light source 1.saving energy: 85% 2.PBT anti-fire ... class Tri-color phosphor powder tube Spiral light source high luminous efficacy and low light recessionSaving energy more than 80% over ... traditional lampLighting color: 2700k-6500k,warm light,daylight, red,blue,green light etc.Life span:8000-10000 hrsCertificate: CCC ... color temp Our certificate 220V-240V spiral light source