Welcome to the most efficient LED flashlight app for iPhone 4, PushLight. PushLight provides two modes for optimizing your lighting needs.The push-to-light mode provides light with the push and hold of a button, providing light only when you need it. The constant light mode provides continuous light when you need light the most. PushLight provides push-to-light mode because sometimes you don't want the LED on constantly. Push-to-light mode provides instantaneous light with the push of a button. Simple let go of the button and the light immediately turns off. PushLight provides constant light mode because you may need light on constantly. Simply switch to constant mode and the LED will provide light until you turn it off - you won't have to hold a button down. Constant light maximizes the light output of your iPhone 4. PushLight features a simple user interface so you can get straight to what you want to do - get extra light!PushLight also features a convenient way to provide feedback, get support, voice concerns and, most importantly, request features. If PushLight is missing something you would love to have let us know and we will try to add it as soon as possible.Continued use of the flash may dramatically decrease battery life.