Powerhobby 1513MG 1/5 Waterproof Steel Gear High Torque Brushless Aluminum Servo 1/5 Waterproof Steel Gear High Torque Brushless Aluminum Servo. Combined long-life brushless motor with monster torque design takes the driving experience of large model enthusiasts to a new level. It is ideal for 1/5 Monster Truck, Buggy, Crawler, Large Airplanes, Robot Arm, etc. 3s and 4s lipo high voltage, 100KG high torque and 0.095Sec lightning speed. FEATURES: Heat Sink Aluminum Case Extremely Strong Steel Gears Super Reliable Five Ball Bearing 3S and 4S Lipo Compatible Associated 15T Aluminum Servo Horns Magnetic Sensor Waterproof IP67 Easy Connection With Direct Power Wire Bluetooth APP Programmable (Coming Soon) SPECIFICATIONS: Operating Voltage: 7.4-16.8V Operating speed: 0.11 sec/60° @ 11.1V Operating speed: 0.09 sec/60° @ 14.4V Operating speed: 0.08 sec/60° @ 16.0V Stall Torque: 1250 oz-in @ 11.1V Stall Torque: 1700 oz-in @ 14.4V Stall Torque: 2000 oz-in @ 16.0V Gear: Steel Motor: Brushless Size: 65.8*30.0*59.0mm(2.59 x 1.18 x 2.32 in) Weight: 285g Connector Wire: TYU+JST 300mm / 22AWG