Note: BEC not required, but recommended for best performance.Specifications:Motor: 4 POLE - Brushless Submarine Waterproof: 7 Point SealsPositioning: Magnetic Angle SensorVoltage: 4.8V - 8.4VProgrammable: REEFS LINK required for Programming (Optional)Gears: Steel GearsSpline: 25T / Dead Band Width: 2 µCase: CNC Aluminum CasingBearing Type: 2 Ball BearingsWeight: 2.3oz / 66gmDimension LWH: 1.6 x .79 x 1.16 / 40.8x20.2x29.5mmTorque: 635oz @ 6v/ 715oz @7.4v/ 800oz @8.4vSpeed: .12sec @6v/.10sec @7.4v/.09sec @8.4vUnload Current: 500mA @ 6.0V, 540mA @ 7.4V, 580mA @ 8.4VLoad Current: 6000mA @ 6.0V, 6800mA @ 7.4V, 7500mA @ 8.4V