Compliant with most standard receiver connector: Futaba, Hitec, , GWS etc.Stall torque: 12kg/cm(6V), 13kg/cm(7.2V).Power Supply: Through external adapter, connector wire length 300mm. Stable and shock proof, coreless motor, metal gear.This high-speed standard motor can rotate 180 degrees (90 in each direction).Gear Type: All Metal Gears. 180 degree rotation. Controllable angle range from 0 to 180 degrees, excellent linearity, precision control. Can be rotated within 360 degrees when power off.Specifications: Connector Wire Length 300mm/11.8 inchOperating Speed: 0.17sec / 60 degrees (4.8V no load) - 0.13sec / 60 degrees (6.0V no load)Operation Voltage: 3.0V - 7.2VGear Type: All Metal GearsDead Band Width: 4usPlugSpecification: JR FUTABA and so onTemperature range: -30 - +60deg Weight: 55gGear Type: All Metal GearsPower Supply: Through External AdapterStable and Shock ProofCompliant with most standard receiver connector: Futaba, Hitec, , GWS etcGreat for biped robot / robot / remote control car, suitable for models of 50-90 methanol fixed-wing aircraft and 26cc-50cc gasoline fixed-wing aircraft Note: Please make sure that the duty cycle of the controller you are using conform to our specifications, otherwise the can;t turn up to claimed degree.Connection: Red Wire: +Yellow Wire: PWM/Signal Brown Wire: GNDControl Specifications: Control Method: PWMPulse Width: 500-2500Duty Ratio: 0.5ms-2.5msPulse Period: 20mssize: 40.7 x 19.7 x 42.9mmMaterial:ABS+Metalcolour:blackPackage Contents:4 x for 4 x Horn KitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.