Hand controller for use with the Delta Station (6607). The 4 different addresses for the Delta Station can be selected with a slider switch. Rotary knob for speed contgrol with easy-to-recognize direction setting for Maxi locomotives. LED indicator functions as an emergency stop button. Dimensions: 130 x 50 x 37 mm / 5-1/8" x 1-15/16" x 1-7/16".