... Frequency: 50Hz (Applied for 47-63Hz)Power Factor: PF>0.97Luminous Flux: 2100lm/1550lm/1200lm/850lmColor Temperature: 5000~6500KColor ... 11. Easy mounting, can be mounted directly.12. No need accessories, no need traditional driving and reflector parts.13. Not ... sources and outer cases are hard materials, such as Epoxy, ABS, PC, 14. No electromagnetism interference, no high power switch and inductance ...