Unlike the traditional torch, whatever from the inner structure or the outside design, the LED flashlight has more advantages which make it take place of the traditional one day by day for the reason that it also has the basic color: white light. However, every type of LED flashlight has great difference in their color design. For example, some LED flashlights are featured with the yellow-green and blue-green, while others are featured with the red and white light. The above four colors are the basic ones which are almost owned by most LED flashlights. With some having the features of one, two, three or even four colors, every LED flashlight needs the observation and study by the customers.

In order to choose the suitable the color of LED flashlight, first of all, you should learn the function of each color. The advantage that LED flashlight owns to make it different from the traditional torch is that the inner performance makes it mimic daylight and the light at night possible and to the best effect. However, each light has its own use and advantage.

After knowing each color light’s appliance can better choose the LED flashlight for your future use. For example, the red light of LED flashlight can be used when you want the light as little which means that you don’t want this light seen by others for some purposes. Red light is the least sensitive one by our rods which are at the back of our eye balls. Because our eyes can’t easily find this kind of LED flashlight color, it can to some degree protect our eyes.

Another yellow-green one is more sensitive than the red one to human’s eye because of the reaction of the rods in our eyes which take the important role of reacting to the coming light. As the most sensitive color in the night for our eyes, we can use the LED flashlight to emit this one to help us see the detail of the things clearly. However, just like the principle that the too bright lights under the sun at daytime may hurt our eyes, the yellow-green light at night may cause the same problems to us at night. Thus, if we want to decrease the hurt of the eyes, we can cover one eye when seeing the things in the dark situation at night. As for the blue-green light which has the similar principle as the yellow-green ones’, it is also adapted for the detailed seeing at night.

After knowing the role of each color, you can choose the LED flashlightaccording to your practical use. If you do the navigating job, the red one will be suitable. If you want to see the colored newspapers or books, the yellow-green one is absolutely the choice.