Twilight Blue Light Filter is an optimal night filter that can be created to provide a warm light night screen for your eye care against light wavelengths from screen lights and give you a better reading. Use Twilight Blue Light Filter in the night and better your eyes care. What is blue light? Blue light is one type of color in the visible light spectrum that can be seen by human eyes. Blue light is a short wavelength, which means it produces a higher amount of energy. Sunlight is the main source of blue light and being outdoors during daylight where most of us get maximum exposure to blue light. You should know about the blue light: Blue light is needed for your good health. It boosts alertness, helps in memory and cognitive function and elevates mood. It regulates circadian rhythm. The body’s natural wake and sleep cycle. Exposure to blue light during day time hours helps maintain a healthful circadian rhythm. Here is the best option for you. You can use the Twilight Blue Light Filter and protect your eyes from blue light. Here you have many of the features in Twilight Blue Light Filter. You can set color temp. You can set intensity, here is the best option you have and that is you can set screen filter for always and also for custom timing. This app can make your device screen adapt to the time of the day. It can filter the flux of blue light emitted by your phone or tablet after sunset and protects your eyes with a soft and pleasant filter. You can save your profile for further use. If you want to use another color then here is you can add another add custom color feature. Key Features: Multiple filters Color customization Automatic filter schedule Temperature customization Saving and editing night mode filters Easily toggle on and off from the status bar Quick access screen widget button Night mode black filter Tiny but fully featured Shortcut creation function