You can easily take a long-exposure photo by selecting the exposure time and pressing the shooting button. Exposure time can be set from 1 second to 180 seconds. Support for Bluetooth Remote Shutter. 【Notes】 - Please fix the iPhone and shoot. - You can place the iPhone on a flat surface and shoot with the front camera. - This app is for shooting in dark places. If you shoot in a bright place, it will be completely white. The following features can also be used in the Pro Edition (paid version). - ISO setting - Noise reduction