... tube.9. No flash, AC driving, stable light, protect eyes.10. Good color vision, color temperature can be adjusted from 3000K ... to 13000K.11. Easy mounting, can be mounted directly.12. No need accessories, no need traditional driving and reflector parts ... outer cases are hard materials, such as Epoxy, ABS, PC, 14. No electromagnetism interference, no high power switch and inductance parts ...