... up to 85% 2. High luminous efficiency dc 36v energy saver lamp1,Votalge: DC 36v2, Watt: 5w to 30w3, Shape: U , ... , full spiral, lotus,candle, globe flower4. With standing high temperature and high pressure5. 100% tri-phosphor rare earth fluorescent powder6. Using ... tighter7. Special technology for fixing the lamp base, more elegant and tight8,Fliker free instant strat 9,Environmental protection 10, no ...