The YONGNUO Wireless Remote Control is a simple, compact, infrared remote control that makes it possible to fire a camera wirelessly from as far as 16' (4.8 m). This remote control will operate in either 2-second delay mode or will instantly take a shot. This remote control is only 2.5" (63.5 mm) tall and can fit easily into your pocket or on a keychain.
-Allows for shutter release up to 16' (4.8 m)
-Wireless camera operation
-Runs on one CR2032 lithium button battery (included)
-May be used to activate mirror-lock and bulb-shutter functions