It helps turn on the flash quickly and easily and keep it continuously lit. Features: 1. Torchlight in Dark 2. Morse Code Flash Light for SOS 3. Color Screen Light With the app, you can do: 1. Find Your Lost Thing in the dark room 2. Read a Real Book at Night 3. Light the Way When Camping and Hiking 4. Make Yourself Visible on Roadside at Night 5. Light Your Room During a Power Outage.