Submarine Waterproof: 7 Point Seals Pulse Width Modulation Control Fully Programmable w/ Reefs Software Reefs Link Required for Programming Voltage: 4.8V - 8.4V Internal: Steel Gears / All CNC Aluminum Casing Bearing Type: 3 Ball Bearings Weight: 2.85oz Dimension: 1.57x.78x1.5 (LWH) Torque: 360oz @ 6.0V / 400oz @ 7.4V / 434oz @ 8.4V Speed: .13sec @ 6.0V / .11sec @ 7.4V / .10sec @ 8.4V Spline: 25T Dead Band width: 2us