1.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).
2.How to explain “lumen output “ ?
The total lumens emitted of a light source, system, or solution.
3.what’s the payment methods you can accept ?
We can only use T/T. The bank information will be written in the PI. We can’t use Western Union and Paypal.
|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.