Bulb's external form: tube-shaped and transparent (T mold), ellipse-shaped and transparent (ED mold).
　　　Features and uses: excellent light color, developing color index reaches 70, provide similar light environment as incandescent lamp. Apply to indoor lighting such as, for, large market, public place of entertainment, gymnasium, exhibition center, special operation place (printing and dyeing, cold rolling, a hub of railway), and road lighting.