All bulbs are all produced in strict control, so my bulbs are very hot selling in world markets.1. Good quality and long life time2. Hot selling in USA, UK, GERMANY, RUSSIA, ITALY, NETHERLANDS and so on3. 12V and 24V can be choosed4. E certification approval5. High Luminous output6. 15% brighter7. Much more beautiful appearance8. Strict QC one by one9. Reasonable and competitive price in the world markets