Description_x000D_ General description_x000D_ This pump provides simultaneous infusion and withdrawal at the same rate with opposing syringes on the same drive screw._x000D_ • Holds two syringes 10 μL to 10 mL each_x000D_ • Back lit LCD display_x000D_ • Knob locks/unlocks drive block for effortless drag free adjustment_x000D_ • Preset volume control and automatic shut off and stall detection_x000D_ • Settings can be reviewed or changed during operation_x000D_ • Choice of unit selection_x000D_ • Last setting stored in permanent memory