1.What’s colour temperature ?
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.
2.Can i have samples to test ?
Yes,sure. Welcome to order samples for evaluation before the bulk order.
3.What’s efficacy about the light ?
The light output of a light source divided by the total electrical power input to that source, expressed in lumens per watt(lm/w).
|Why choose us?|
Toppo Lighting is one of the leading traditional tube fixture led fluorescent replacement? manufacturers and suppliers in China, which is equipped with a productive factory. Welcome to import the newest traditional tube fixture led fluorescent replacement? at competitive price with us. We can also offer you customized service.