Futaba HPS-CD700 High Voltage Brushless Low Profile Surface Servo. This servo is a high quality option has been specifically designed for 1/10 scale Drifting. Note: This servo is not compatible with external BEC units. Features: Suitable for RC cars 1/10 scale drifting Programmable/HV Brushless Servo Custom upgraded high power Brushless Motor Supports SR mode with T4PM/T7PX/T10PX Programmable and compatible with S.Bus and S.Bus2 systems Can be connected to a PC using the CIU-2/-3 USB adapter sold separately Full aluminum case Specifications: Speed: @6.0V: 0.055sec/60° @7.4V: 0.045sec/60° Torque: @6.0V: 194.4 oz-in (14.0kg-cm) @7.4V: 236.0 oz-in (17.0kg-cm) Dimensions: 1.59x0.82x1.03in (40.5x21.0x26.2mm) Weight: 1.86oz (53g) Operating Voltage: DC 4.8-8.4V Includes: (1) HPS-CD700 Low Profile Servo