Analog Servo—HD-9001MGFunction of Performance:☆Weight:56g☆Dimension: 40.7x20.5x39.5mm☆Supply voltage: 6.0V☆Stall Torque: 9.8kg.cm☆no load running Speed: 0.14sec/60°☆Storage Temperature: -20℃~55℃☆Dead band width: ≤4us