This is the Pentax Remote Control Remote Control F. (The following is from the internet) You can wirelessly release the shutter of a Pentax digital SLR from the front of the camera. The shutter is released 3 seconds after pressing the shutter button on the remote control. (Immediate release is also possible depending on the camera settings.) The K-5, K-7, K20D, and K10D can also be used from the back. The K-5, K-7, and K20D also support continuous shooting with the remote control. Color: Black Type: Camera Remote Control