This RC-6 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 (included). The Canon RC-6 remote As far as 5 meters from the place where a small infrared remote control remote cameras, the shutter delay 2 seconds to open. Specification: Release Mode : Focus & Two second delay Release Control Range : Approx.5m/16.4ft in front of camera Shooting Capacity : Approx. 6,000 Transmissions Battery Type : One button-type battery 3V lithium CR2032 (inside) Size (W x H x D) : 64mm X 35mm X 6mm / 2.5 X 1.4 X 0.2in Net Weight of Remote Controller with battery : 12g Package Contents: RC-6 Remote Controller x1 Lithium CR2032 battery x1