Recognized by WHO, the daily irradiation limit is raised, 222nm UV LED is how to do?
Since the World Health Organization declared the novel coronavirus outbreak a public […]
Month: January 2022
A few of the most common mistakes in home lighting
Using a variety of lighting types seems like an obvious thing to […]
LED science: color temperature and light color
The light bulb, every household has one, because with it, people no […]