Which one is better when buying eye protection lamp 13w or 19w?

The most important thing about the eye protection lamp is that it does not flicker. A large amount of flickering can easily lead to overuse of the eyes

There is no radiation. Radiation is very harmful to the human body.

Nowadays, it is generally not used. It is recommended to buy a high-frequency eye protection lamp

The closer to natural light, the better. In addition, it is best to buy a lamp that uses DC electricity. Because direct current does not have any flicker or radiation.

Now there is a complex DC eye protection lamp that is pretty good and has a national patent number.

In fact, the power of eye protection lamps is generally best in the range of 11W to 13W. If the power is too low or too high, it will have a great impact on vision. The electromagnetic radiation of eye protection lamps must not be too high, otherwise it will cause electromagnetic radiation hazards. Each of us knows that electromagnetic radiation is very harmful to the human body, especially when our brains, eye lenses, etc. are exposed to electromagnetic radiation at very close distances for a long time. We can imagine the damage to the brain and eyes. When we choose energy-saving lamps, it is best to let the merchants use electromagnetic radiation detectors to screen them, so that we can avoid being deceived.