1 How do we explain “CRI” ?
RE: A measure of the degree of colour shift objects undergo when illuminated by the light source as compared with those same objects when illuminated by a reference source of comparable colour temperature. The reference source has a CRI of 100.
2 What’s CCT(colour temperature) ?
RE: The description used to describe the effect of heating an object until it grows incandescently. The emitted radiation, and apparent colour, changes proportional to the temperature; easily envisioned radiation, and apparent colour, changes proportional to the temperature; easily envisioned ,when considering hot meal in a forge that glows red, then orange, and then white as the temperature increases.
3 Do you know “dali “?
RE: Digital addressable lighting interface (DALI) is a trademark for network-based systems that control lighting in building automation.
4.What’s your shipping method ?
RE: UPS, DHL, Fedex, TNT or Shipping by Air,by train(for Europe) or by sea for option.
5.What’s your main product line is made ?
RE: We focus on intelligent industrial LED luminaires,so our main products includes Electronic Ballast T8/T6 LED light tube,LED flood light,LED high bay,LED tri-proof light,LED street light.
6.Does Dualrays have the ability to do independent and development ?
RE: Our engineer department have 12 people. We have the research and development capabilities. We also collect regularly each customer feedback. We have product improvement and new product development. We also hold monthly new product launches.
7.If i have a questions I want to know , how can i contact Dualrays ?
RE: You can like us on the main social medias,such as Facebook,Linkedin,Twitter,Xing,Youtube,Google+,Instagram,send email or call our salesman or directly through major inquiry and send emails to reach us.
