LED App lets you use the iPhone 4 LED Flash as a flashlight. There are two things that differentiates us from the other LED Apps available on the App Store (a) It's Free and (b) Simple and Elegant user interface. Features: - iAd supported version Free.- Simple and Elegant User Interface. - Launching the App turns on the LED Flash. - Tapping on the Red Glow LED turns off the LED Flash. - Tapping on the White LED turns on the LED Flash.Disclaimer: Continued use of iPhone 4 LED Flash may dramatically decrease your battery life.