Opteka XL Remote Release Cord for Pentax K10D, K20D, K100D, K110D, K200D, ist Digital SLR Cameras (10 Foot Cord) Opteka Remote Release for Digital SLR Cameras Allows the camera to be released from a distance of up to 10 feet Half-press focuses, full press releases the shutter All Electronic - no batteries needed! Brand New, Sealed