Specification: Gear Type: All Metal Gears Connector Wire :11.81 inch (300mm), signal wire/PWM--Yellow; positive Pole(+)--Red; negative Pole/GND(-)?Brown Item Dimension:40.7*19.7*42.9mm(1.60*0.78*1.69inch) Servo Weight: 55g Positioning speed at 4.8V without load0.17s / 60 degrees; 6.0V without load 0.13s / 60 degrees Dead Band Width: 4us Plug Specification: JR FUTABA, Hitec,Sanwa, GWS are universal Operation Voltage: 3.0V - 7.2V Stall torque: 6V 12kg/cm, 7.2V 13kg/cm. Temperature range: -30 to +60deg Applicable models: biped robot / robot / remote control car, suitable for50-90 methanol fixed-wing aircraft and 26cc-50ccgasoline fixed-wing aircraft and other models Accessories; steering wheel, fixing screws, rubber sleeves and aluminumsleeves. Suitable for most receiver connector: Futaba, Hitec, Sanwa, GWS etc Great for truck, Boat, Racing Car,Helicopter and Airplane. Package includes: 4 X TiankongRC MG995 HI-SPEED Servo Motor & 4X Servo HornKit