Servo JR DS285MG Manufacturer JR Applications Heli/Airplanes Type Digital Sub-Micro Torque 4.8V 17 oz/in (1.2 kg/cm) Torque 6.0V 19 oz/in (1.35 kg/cm) Speed 4.8V 0.18 sec/60 degrees Speed 6.0V 0.14 sec/60 degrees Dimensions 21mm x 21mm x 11mm Weight 9g Bearings - Gear Type Metal