Featureused For 110 18 Scale Crawler Buggy Truck Specifications Torque(48V) 180 Kgcm (250 Ozin) Torque(66V) 230 Kgcm (3194 Ozin) Speed 014 Sec60 (48V) A 012 Sec60 (66V) Operating Voltage 48 66 Dc Volts Weight 75 G (265 Oz) Bearing Type Ball Bearing X 2 Motor Type Dc Motor (Not Brushless) Gear Type Copper & Aluminum Operating Temperature 2060 Connector Wire Length 250Mm98Inch Working Frequence 1520As 333Hz Dimensions 407 X 205 X 385 Mm ( 160 X 080 X 149 In) Materials Of The Gear Titanium & Steel Package Include 1 Set Hd Wp23Kg Waterproof Digital Servo Note Please Be Sure To Avoid Lockedrotor When Using Servo, Lockedrotor Means That Artificially Or Machine Obstructs The Servo To Rotate Normally, The Lockedrotor Will Lead To Internal Current Increased Several Times And The Temperature Increases, Servo Will Burn Out Controllable Angle Range From 0 To 180 Degrees,Please Adjust The Steering Travel Before Use