1.How to explain “Flux/luminous Flux “?
Luminous flux is the measure of the perceived power of light produced by the LED, adjusting to reflect the varying sensitivity of the human eye to different wavelengths of light.
2.What’s your shipping method ?
UPS, DHL, Fedex, TNT or Shipping by Air or by sea
3.Could i tell you what’s LED driver ?
An electronic circuit that converts input power into a current source -a source in which current ramains constant despite fluctuations in voltage fluctuations ,overvoltages, and voltage spikes.