1.Do you know “dali “?
Digital addressable lighting interface (DALI) is a trademark for network-based systems that control lighting in building automation.
2.What’s your shipping method ?
UPS, DHL, Fedex, TNT or Shipping by Air or by sea
3.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.