The Easy Switch app is a fully functional wireless timer remote designed to be controlled from your iPhone, iPad. This app allows you control your DSLR camera with three unique shooting modes: standard remote, timer remote and scheduled timer remote. Standard Remote mode allows your smart phone act as a wireless shutter. Timer Remote mode turns your mobile device into an intervalometer. In this mode DELAY time, BULB time and INTERVAL time can all be set from anywhere to 99hrs 59min 59s 900ms. The number of exposures can be set from 1 to 999 shots or infinite. Scheduled Timer remote mode allows you set six different Scheduled timer to meet your needs. To achieve the above features all you need to do is press “scan” on this app’s home page to connect your iPhone or iPad with our JJC ES-898 Easy Switch blue tooth receiver, the receiver has an adaptable port lets you swap cables with different cameras. Thanks to the Easy Switch app and JJC ES-898 Easy Switch lightweight receiver, you are always on the go to take perfect photos.