Specifications: The DS5180SG is a Large Scale, and Digital Servo. Its Metal-geared With an Amazing Amount of Torque While Capable of Operating on High Voltage. Operating Voltage: 6 – 8.4Volts DC Torque: @6V: 85kg.cm(1180oz-in) @7.4V: 98kg.cm(1361oz-in) @8.4V:105kg.cm(1458oz-in) Speed: @6V: 0.24sec/60 @7.4V:0.21sec/60 @8.4V:0.19sec/60 Operating Temperature: -25C~70C Waterproof: IP66 Limit angle: 360 Bearing: 2BB Horn Gear Spline: 18 Tooth Case Material : Engineering Plastic & Aluminum Alloy Connector Wire: 17.7in (450mm) Motor Type: Brushed Command Signal: Pulse Width Modification Amplifier Type: Digital Controller Pulse Width Range: 500~2500usec Neutral Position: 1500usec Running Degree: 1803(PWM 500~2500usec) or 2703(PWM500~2500usec) Dead Band Width: 3 usec Rotating Direction Counterclockwise: (when 1000~2000usec) CE /RoHs:Yes Contains: Long Holder Aluminum & Short Holder Aluminum & Circle Holder-18T & Circle Holder -Orientation Angle:maximum 180 or 270 deg -Mechanical Angle :360 deg (Plug/Output wheel/Radio control system compatible with Futaba JR Hitec) Note: Operating Voltage is DC6-8.4 V, Best Use Voltage is 7.4V It Is Recommended to Use 2s Battery for Power Supply (6-8.4V)More Options: ?Only $27.99 Pack of 2 20KG Servos, Please Search ASIN: B07TKTQ2NZ ?Only $35.99 Pack of 2 25KG Servos, Please Search ASIN: B0C69KY39C ?Only $52.89 Pack of 2 35KG Servos, Please Search ASIN: B0C69KF77Q ?35KG Coreless Digital Servo, Please Search ASIN: B07SWST8D6 or B07SWW9NDR ?45KG Coreless Digital Servo, Please Search ASIN: B0C69BXL6V or B0CCPDYBDQ ?35KG 7.4V Digital Servo, Please Search ASIN: B0CDQ95Q49 or B0CCPHT83N ?Robot Servo with Brackets, Please Search ASIN: B0C69NNP9P