A great choice to upgrade your RTR steering servo. SPECIFICATIONS: High Torque Digital Coreless Servo IP67 Rated WATERPROOF: 7 Point Seals Magnetic Angle Sensor Pulse Width Modulation Control Fully Programmable w/ REEFS Software (REEFS LINK required) Voltage: 4.8V - 8.4V Internal: Steel Gears / All CNC Aluminum Casing Bearing Type: 3 Ball Bearings / Weight: 2.85oz Dimensions: 1.57 x .78 x 1.5 (LWH) Torque: 360oz (25.9kg)@ 6v/ 400oz (28.8kg)@7.4v/ 434oz (31.3kg)@8.4v Speed: .13sec @6v/.11sec @7.4v/.10sec @8.4v Spline: 25T Dead Band Width: 2¦Ìs For added performance, we recommend the REEFS 8.4V EZ-BEC UnloadCurrent [email protected][email protected][email protected][email protected] LoadingCurrent [email protected][email protected][email protected][email protected] For programming, the USB Link is required. Item# REEFS65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.