What is the R9 value and why is it important for retail?
What is the R9 value and why is it important for retail? You have probably heard of the R9 value in lighting, specifically related to…
What is the R9 value and why is it important for retail? You have probably heard of the R9 value in lighting, specifically related to…
Lumens and lux are regularly confused. However, in very simple terms, lux is a measure of light given out by a light source, and lumens…