G2 High Voltage Super Torque Digital Programmable Servo Motor, Steel Gear with New High Precision Aluminum Heatsink Case, 7.4 volts Torque: 24.0kg.cm/29.0kg.cm Speed: 0.15sec/60° / 0.12sec/60° Size: 40x20x37mm Weight: 68.0g For: Gasoline Aircraft .20-1.20 Class; All EP 600-700 & GP 30-90 Class Helicopter; 1/10-1/4 Scale Car Steering & Throttle; GP & Gasoline Boats