Developer's DescriptionBy evezzonProtect your eyes at night against the display of your phoneNight Owl enable you to reduce the brightness of your device screen lower than you can achieve with the default settings in order to avoid eye strain or headache in a dark environment or at night. If you have an AMOLED display, you can also save battery! Functions Screen Dimmer: Adjust the backlight brightness lower than default Automatic Stop: Stop the service at a specific time Blue-Light Filter: Reduce the blue light to protect your eyes. Blue radiations can cause insomnia . Advanced Filter: Adjust Red,Green and Blue value of the filterRecent changes:Android M compatibilityContent rating: Everyone