These single axis (R.A.) DC motor drives are powered by 4 "D" cell batteries (not included). A set of batteries will allow several nights of observing. 2x and 8x tracking speeds (2x and 4x for EQ1 model) are available through the hand controller. Motor, hand controller, and battery case are included. Available for EQ2, NEQ3/EQ3-2, and EQ5 mounts.