Like Led Flashlight

Led Flashlight is an app that used on your mobile phone. In other words, it is a phone flashlight. We call it Led Flashlight because it is powerful and useful just like led lamp. You can use it on black environment such as in evening and confined Spaces. Taking a real flashlight is not convenient sometimes. With this app on your phone, you will not worry about encounter blackness any more. It can play as a real flashlight which can offer us light and it can also play a romantic role in special condition. Because the Led Flashlight can offer colorful lighting! For example,you would like to make a candlelight dinner with your girl/boy friend. Apart from candle, this phone flashlight can give you red, yellow and pink colorful light. Then the atmosphere will because romantic in some degree. If you want to show it's great to others, make black light to them. It will get others' praise. Why don't you download and have a try?

Function:
set color to white, red, yellow, black, pink
set bright to 100%,75%,50%,25%,10%
I bet if you download the free app, it will not field you!

Visible light (commonly referred to light) is electromagnetic radiation that is visible to the human eye, and is responsible for the sense of sight. Visible light has a wavelength in the range of about 380 nanometers to about 740 NM: between the invisible infrared, with longer wavelengths and the invisible ultraviolet, with shorter wavelengths.

Primary properties of visible light are intensity, propagation direction, frequency or wavelength spectrum, and polarization, while its speed in a vacuum, 299,792,458 meters per second (about 300,000 kilometers per second), is one of the fundamental constants of nature. Visible light, as with all types of electromagnetic radiation (EMR) is experimentally found to move at exactly this same speed in vacuum.

In common with all types of EMR, visible light is emitted and absorbed in tiny "packets" called photons, and exhibits properties of both waves and particles. This property is referred to as the wave–particle duality. The study of light, known as optics, is an important research area in modern physics.

In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not. This article focuses on visible light. See the electromagnetic radiation article for the general term.

Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light.we also can say brightness is the perception elicited by the luminance of visual targets. This is a subjective attribute/property of an object being observed.

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