JJC IR-P1 Wireless Remote Control For Pentax 645D 5-50 645Z K5II K-5IIs K-01 K-30 K200 Kx Kr K7 K5 *ist DS2 *ist DL2 *ist DL *ist DS Rplaces E/F/WP Samsung GX-1L GX-1S GX-10 GX-20 Dimensions: 75mm x 42mm x 11.15mm Replaces Pentax Remote Control E/F/WP For PENTAX K series with inbuilt infrared receiver For Optio series with inbuilt infrared receiver Up to a distance of approximately 8meters in front of the camera