The Canon remote control acts as a wireless shutter release capable of instantly triggering the shutter without disturbing the camera. It can trigger the camera shutter release remotely from a distance. The compatible camera has a built - in infrared receiver for this remote trigger device. It is ideal for taking pictures of subjects that are difficult to approach, or to minimize vibration for close - up and time exposure. It is powered by a CR - 2032 3V battery.
The Nikon remote control as far as 5 meters from the place where a small infrared remote control remote cameras, the shutter delay 2 seconds to open.