The Pixel BG-100 Bluetooth Remote Control Timer for Nikon allows you to wirelessly control your camera with your Apple iPhone or iPad via Bluetooth. To use the BG-100, all you will need to do is insert 2 AAA batteries (not included) and download the free app from the Apple App Store. When using the App, the wireless remote offers various functions to control the camera: - Single Shooting: take a single photo - Continuous Shooting: take multiple photos - Bulb Mode: take a photo with a slow shutter speed - 2-Second Delay Shooting: take a photo with a 2 second delay - Timer Shooting: store up to 10 different timers in order to trigger the camera at different times